Party All The Time

Scott Disick's 18-year-old travel companion says she's NOT sleeping with or dating him ... at least that's the story she's telling her friends.

Lindsay Vrckovnik insists she's never hooked up with Scott. She says she's been traveling with a group of models and met Scott in NYC, and hung out for a day. The girls wanted to move the party to Miami over the weekend, and according to what she's telling friends ... Scott happily followed.

Lindsay -- who's from Canada -- has a boyfriend there and the photos that surfaced have caused a problem between the two of them.

Whatever Lindsay claims ... she's having trouble convincing her BF for a few reasons. First, she and Scott didn't meet for the first time last week ... they hung out at least once before, in July, at a party in Malibu.

Here's video of Usain Bolt leading a tent full of drunken Germans in song at Oktoberfest this weekend in Munich ... where the Jamaican sprinter was crushing beers for the 3rd year in a row!!

Bolt LOOOVES Oktoberfest -- like super totally obsessed -- and this year, he upped his game by singing King of Leon's biggest hit "Sex On Fire" with the house band at the Schuetzen Tent.

When he wasn't singing, Bolt was spotted downing steins of brew with a whole bunch of hot chicks ... 'cause ... well ... he likes it.

Justin Bieber's famous pals are coming to his defense, saying the pop singer hasn't hopped off the sobriety train despite recent footage showing him smoking and boozing.

Riff Raff tells us he and Diplo were hanging with Justin just last week in Hollywood. Riff and Dip were working on music for Raff's upcoming LP, "Pink Panther." Riff Raff freely admits, he and Diplo were "f**** up," but Justin didn't touch anything -- weed, alcohol, nothing.

Riff Raff says after the session they hit the town to party and Justin was stone cold sober the whole time. The video shows Justin and Riff Raff in the car on the way to the clubs, and Biebs looks clear-headed.

Madonna's daughter let loose like her superstar mom in Detroit this week, chugging beers in the front row at Madge's concert -- and all we gotta say is we're jealous.

We're told 18-year-old Lourdes Leon showed up at Madonna's "Rebel Heart" show Thursday night with a group of her friends and sat down in the front row. It wasn't long after when Lourdes cracked open a cold one and slugged away.

While drinking at 18 is obviously against the law, we still gotta admit ... boozing front row at one of the biggest acts of all time is pretty sweet. Especially if it's your mom.

Future and Blac Chyna were definitely together Friday night in D.C., and it's pretty clear now they've hooked up.

Future had a concert at Echo Stage ... then went to his after-party where Chyna was right by his side.

We're told they were there for around an hour ... never apart.

Future and Chyna left together at 4 AM.

'Nuff proof?

Kylie Jenner took her new, $400,000 car out for a spin Friday night, as she discussed global warming with her friends.

The car's a Rolls Royce Ghost ... the newest edition to the 18-year-old's car collection, which includes a Ferrari and a G-Wagon.

Kylie got the car from Richie Rich, the go-to guy when you want an insanely expensive car.

BTW, they didn't really talk about global warming ... in fact they didn't even form full sentences.

Ellie Goulding took some serious shots at her audience and in particular the sound guy who she says screwed up royally during her performance at the Australian Football League pre-game show ... exposing an egregious case of lip-syncing.

Ellie was performing her hit, "Love Me Like You Do," before the championship game ... at least that's what she was scheduled to do. But you hear the music and her voice, but the mic is nowhere near her mouth.

Ellie went on Twitter after the game and [said, "Considering i had no voice yesterday and a sleepless night because of the meds I would say it's been a good day." Then she took her first shot, saying, "I give 100% in my performances, even when people don't give much back."

But her real wrath was reserved for the audio tech, saying, "Incidentally the sound guy who pressed playback twice and triggered both band tracks simultaneously is nowhere to be seen."

Akon is scoffing at the notion Justin Bieber chugged booze an very possibly smoke a joint onstage this week because of a dare.

As we reported, Justin chugged from a Hennessy bottle and grabbed a blunt during a performance with Rae Sremmurd in New Zealand. We're told Bieber claimed to have done it on a dare.

But Akon, who's friends with the Biebs, told us on his way out of Fleming's Steakhouse in Bev Hills, "dares" don't count for grown-ass men.

10:15 AM PT -- It looks like there's some slight of hand going on in the video. At :11 ... Justin takes the joint in his right hand and then turns his back to the crowd. Here's where we can't see what happens with the joint, but when Justin turns back around at :16 ... he already has a white cigarette in his left hand, which he smokes.

We have no idea what happened to the joint. Where's Zapruder when you need him?

Justin Bieber has fallen off the wagon -- at least for a night -- because it appears he was smoking weed onstage ... one of the drugs that led to his DUI arrest and downward spiral.

Justin was performing in New Zealand with Rae Sremmurd, when he lit up a joint and puffed away.

He also took a big swig from a bottle of Hennessy.

The liquor isn't as alarming as the weed. Justin has never stopped drinking, though he insists it's never been excessive.

But marijuana is a different story. He was living in a constant haze during his low point, in large part because of pot. He was arrested for DUI in Miami last year and tested positive for marijuana.

We're told Justin regrets his New Zealand antics and did it on a dare, but there are pretty clear warning signs.

With his team eliminated from the playoffs ... and his season over with a finger injury ... SD Padres star Matt Kemp hit the Hollywood club scene last night ... because ... well ... why the hell not?!

Kemp and some pals hit up 1 OAK nightclub on the Sunset Strip ... where rapper Noreaga was chillin' last night ... and partied like he didn't have to get up and go to work this morning.

'Cause he doesn't.

Justin Bieber was boozing like a college kid during a Rae Sremmurd show ... taking a huge swig straight from a bottle onstage in New Zealand.

We haven't seen the Biebs let loose like this in a while -- since cleaning up his act -- but during the duo's gig, Biebs says he took a dare and chugged from a bottle of Hennessy.

Bieber never totally laid off booze, even though he battled some serious drug issues, but he's gotta be having some regrets today ... or at least a headache.

Scott Disick and a hot leggy blonde put in some hardcore hours -- partying together all over NYC from daytime, into nighttime ... straight into Thursday morning.

Disick and the mystery chick started their party adventure at his hotel ... they were spotted walking out of the Trump Soho Wednesday afternoon. They hit up a bar in the East Village ...then a house party, and eventually 1 OAK Nightclub.

And they still weren't done. The mobile party kept rolling at Soho House ... where they eventually emerged at 6 AM Thursday.

Unclear who the young lady is, but she's the polar opposite of Kourtney Kardashian -- tall, blonde ... and obviously no issues with Scott's party lifestyle.

The lord has risen again.

Sam Smith got smacked by culture shock -- and probably a hangover -- when his night of partying in Rio de Janeiro did NOT end with a sloppy stop at McDonald's.

This video of the singer -- trying to wrap up an all-nighter -- is hysterical. All Sam wants ... desperately wants, is a freakin' Quarter Pounder with cheese!! Maybe a Big Mac ... depends on how much he drank.

Watch, you can feel Sam's disappointment when a bunch of fans tell him that for some reason ... Mickey D's CLOSED AT 5 AM down there!

Bust out the M80s -- Kris Jenner and Khloe Kardashian can celebrate dodging criminal charges for that massive fireworks display they set off in the middle of the night ... terrifying beach residents.

Law enforcement sources tell us the L.A. County Sheriff's Department wrapped its investigation into the explosive yacht party Khloe threw for James Harden's birthday early in the morning of August 26th.

We're told the Sheriff's Dept. presented its findings to the LA. County District Attorney, and recommended a misdemeanor charge of disturbing the peace -- but the D.A. rejected it because the Kardashians had "passive permission."

We broke the story ... the Coast Guard gave the Sheriff a heads up that Kris' production co. would be lighting up the sky that night, and didn't need a permit since the boat was outside the marina. Still, angry residents wanted the Sheriff to bust them for violating noise ordinances.

Had they prosecuted, it's unclear who would take the fall -- Kris, Khloe, or the fireworks vendor -- but it's a moot point now ... criminally, anyway.

We're told a group of residents is still pushing forward with a small claims lawsuit.

What did the 5 fingers say to the butt? SLAAAAAP!!!

That's how it went down for Usain Bolt at FDR nightclub in Miami this weekend ... when a hot chick in a thong started grinding up on the fastest man on the planet during Lil Wayne's birthday bash.

Check out the footage ... Bolt and his crew were showering some of the club's lingerie dancers with cash -- seriously, money was spillin' out the panties -- when Bolt decided to throw in a little smack for good measure.

Got one of those cool Hollywood moments with Wale ... who decided to set a romantic mood for everyone pouring out of a nightclub by dropping an awesome freestyle.

Wale was leaving Henry's Monday night when he ripped off a few verses to the melody of Michael Jackson's "P.Y.T."

Throw in a sexy sidewalk saxophone, and a bunch of (likely) boozed up couples leaving the club -- and, yeah ... it's just good fun.