Alessandra Ambrosio Costume Sparks Major Mom Envy

Alessandra Ambrosio doesn't stand a chance of winning a Halloween costume competition at her kid's school -- and you can see it all over the faces of the other moms.

Double A was decked out as Sexy Little Red Riding Hood when she picked up her daughter from school in Santa Monica, which lead to this amazingly perfect visual.

If you've ever imagined what women think when a smoking hot Victoria's Secret model cruises by ... here it is. Look closely, one of 'em is literally green (probably just her costume though).

Yep, it's all trick and NO treat when ya gotta compete with Alessandra.

Luckily, it's not a competition. Yeah, right!

Karrueche Tran Lil' Tran Bares Her Butt Cheeks

Karrueche Tran pulled off sexy Lil' Kim ... maybe better than the Queen Bee herself could do it these days.

Karrueche threw a Halloween party Thursday night in Hollywood and nailed the hip-hop legend's look from the "Crush On You" music vid ... just with more ass cheek than Kim.

Blue is definitely not Chris Brown's favorite color, but even he'd applaud this costume.

Gigi Hadid Dreams Do Come True ... In My Undies

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YOU GOT IT
TMZ.com

Gigi Hadid is living her dream in nothing more than a pair of panties and a bra ... and the whole world gets to watch.

Castings for the "Victoria’s Secret Fashion Show" recently happened and -- no surprise -- Gigi made the cut ... something she says she's dreamed of since she was a little girl.

It's her dream and every man's on November 9th and 10th.

The Game Lethal Weapon ... Barely Concealed

Apparently The Game didn't get the memo about #eggplantfriday being banned from Instagram -- then again, as he puts it ... #WhoCaresWhatDayItIs

Thousands upon thousands upon thousands of women (and 10% of men) agree.

Game is seriously pumping ... his record sales.

Eva Longoria Don't Cha Wish Your Girlfriend Was Hot Like Me

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NEW CAT IN TOWN
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Some people spend hours at the gym ... Eva Longoria dances like a Pussycat Doll.

Eva flew to Mexico recently for a dance fitness retreat run by founder and choreographer Robin Antin. It's more of a sexy aerobics boot camp where they tried out the new PCDFIT weighted fitness gloves ... Antin tells us they were inspired by UFC fighter Ronda Rousey for an added kick-ass element.

Eva nails the intense routine, which clearly yields great results.

Jennifer Lopez Mugatu See My New 'Do!

Jennifer Lopez busted out her own version of 'Blue Steel' and even Mugatu's hairdo for her latest concert, because ... there's more to life than being really, really, ridiculously good looking.

Of course, J Lo also showed off her famous 46-year-old asset during Wednesday night's Madison Square Garden gig. Props to the designer of that super low-cut bodysuit.

Jennifer's so hot right now she could take a crap, wrap it in tinfoil, put a couple fish hooks on it and sell it to Queen Elizabeth as earrings.

Right, "Zoolander" fans?

David Beckham My Kids Don't Write on Walls ... THEY WRITE ON ME!

David Beckham isn't just a beautiful man, he's a beautiful canvas for kids ... whose doodles just became his latest tattoos.

Becks showed off his fresh ink -- a drawing on his hand by daughter Harper and a "We love you Daddy" scribbled by his boys on his ribs. DB already has a ton of tatts, but bragged about these ... "Apparently Harper is allowed to scribble on daddy" and "The boys expressing how they feel about daddy."

Go ahead and pickup "Celebrity Father of the Year" award now, while we admire your body of work.

Samantha Hoopes Doubles Down ... On Ass Exposure

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I LOVE TO FLAUNT IT
TMZ.com

Samantha Hoopes returned to the spot where she committed what some people call a crime, and others call a blessing from God -- and this time she was showing off way more skin!

The S.I. swimsuit model stirred an uproar inside Earth Bar in West Hollywood on Tuesday ... because she was wearing the tiniest of booty shorts. Well, she went back Wednesday, and lo and behold (seriously, behold) -- she arrived in lingerie.

Samantha told us, "On the way in some other girl's taking a picture of my ass. Another girl's like where's your pants?" However, you gotta see the guy in our video watching from his car -- he is NOT offended, at all!

Earlier, on TMZ Live, she dropped this pearl of ass-wisdom: "No one wants a finger in my butt."

Umm ... watch, she explains.

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GET OFF MY ASS!
TMZ.com

Samantha Hoopes Ass Out at Juice Bar ... Is That On the Menu?!

Here's Sports Illustrated model Samantha Hoopes ordering some juice at Earth Bar in West Hollywood ... with her entire perfectly sculpted ass hanging out of her shorts.

Hoopes is adamant she was properly clothed -- "No I'm not in my underwear it's call motivation to work out & I just came from working out #donthatemyassismallenoughtoweartheseshorts."

Soooo ... who's in the mood for a juice?

Christina Milian Major Valley, Girl

Christina Milian qualified for the Golden Globes Monday in NYC.

She might not get an actual nomination, but she's already taken the prize from where we stand.

WNBA Star Skylar Diggins Face Down, Ass Up That's Da Way We Like To Train

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KEEP IT TIGHT
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WNBA star Skylar Diggins is a very serious athlete ... so if you can't take your eyes off how hot her ass looks in the very serious training video you're about to see ... it's not her problem.

We tried ... we failed.

Happy Monday.

Elizabeth Hurley Mellow And Supremely Hot In Yellow

Elizabeth Hurley in her little yellow bikini is defiantly 50.

It's true ... Hurley turned the big 5-0 in June ... and let us celebrate her birth with a pic of her extremely hot and toned body she showed off on vacation.

The actress-turned-swimsuit designer joins the legions of Cindy Crawford and Madonna ... women who are making over the hill feel more like a pothole in the road.

Luke Wilson That Heavy Look ... Is So Old School

After a round of surfing Thursday afternoon in Los Angeles, Luke Wilson toweled off ... revealing a trimmed down frame.

C'mon, Mitch ... "We're going streaking!"

Kenny Chesney Forget Horseshoes ... I'm Ballin' in Malibu

Kenny Chesney broke from his country roots Thursday by spending the day in Malibu, paddle boarding and competing in a game of shirtless bocce ball.

The country star was hanging with some friends, including super surfer Laird Hamilton.

By the way ... Kenny's 47.

Sarah Silverman Cleavage ... It's No Laughing Matter

Sarah Silverman brought two dates to the Hollywood premiere of her new movie "I Smile Back." We're sure everyone around her was doing just that.

As for eye contact? Not happening ...

Kate Upton This Guy Won't Stop ... Riding My Ass

Kate Upton banged out a set of squats during a workout in West Hollywood with her personal trainer, who kept a watchful eye on ... her form.

Yes, he's actually getting paid to do this.

Her pain is his gain, and ours too.