One Direction

Louis Tomlinson has lawyered up to wage a custody war, because he says his baby mama is not letting him see their kid ... TMZ has learned.

Sources connected with Louis tell TMZ, the One Direction singer claims Briana Jungwirth has gotten greedy and wants money ... and lots of it. He claims she's using their 1-month-old son, Freddie Reign, to leverage a bigger payday.

It's a surprising turn ... Louis got Briana a 3 bedroom home in Calabasas and he's renting a $21 million home in L.A. to be close to Freddie.

Louis has not gotten a DNA test but says there's no doubt he's the dad ... they dated exclusively during the period in which she got pregnant.

We're told Louis is gunning for an order forcing Briana to give him some custodial rights, including significant access to his son.

Louis Tomlinson tossed bro code out the window by hitting the town with his old One Direction mate Zayn Malik's ex fiancee.

Louis and Perrie Edwards were spotted Wednesday night taking a car together after the Brit Awards. Perrie and Zayn broke things off in August -- about 5 months after he left the group.

Last night could've just been a convenient carpool sitch though, since Louis has been tight with actress Danielle Campbell lately.

Besides, even Paul McCartney and Yoko Ono see each other from time to time.

Look it up, 1Ders. It's relevant.

Louis Tomlinson is so sure newborn son Freddie Reign is his kid, he has no plans to prove it with a DNA test ... TMZ has learned.

Sources close to Louis and Briana Jungwirth tell us the 1D-er's always copped to the kid being his ever since finding out Briana was pregnant. They started dating about a year ago and we're told things were so serious initially, he had zero doubt Briana was faithful.

While any lawyer would tell Tomlinson to seal the deal with a paternity test ... we're told he's totally cool with passing.

Louis Tomlinson is so serious about being a hands-on father, he's moving into a $21 million L.A. home to be closer to his newborn son.

The pad will be more fun for Louis than it is for baby Freddie, since it's got a home theater, gym, pool, insane city views ... and Leonardo DiCaprio as a neighbor.

The 1D star scored the sweet rental from celeb hypnotist Paul McKenna because he wants to actively co-parent with baby mama Briana Jungwirth.

As we reported, Tomlinson did right by Briana, and rented her a decent pad in Calabasas.

Louis Tomlinson's 1-week-old son doesn't have to worry about his name being pimped out on the Internet, thanks to his mom's family.

Briana Jungwirth's family registered FreddieTomlinson.com on January 27th ... minutes after Louis and Briana first revealed baby Freddie to the world.

Sources close to the couple tell us once the baby's name was revealed, One Direction fans started creating bogus social media accounts with Freddie's name, and pretended to be associated with the family.

We're told Briana's family wanted to protect the kid's best interests and block any squatters -- after all, he is 1D royalty. Baby Freddie's now free to focus on important things like pooping and breastfeeding.

Not necessarily in that order.

Louis Tomlinson's newborn son's name was the first adventure in co-parenting for him and baby mama Briana Jungwirth.

As we've reported, the kid's name is Freddie Reign Tomlinson and our One Direction source tells us Louis picked out the Freddie part, while Briana came up with the royal-sounding middle name.

No rhyme or reason for Freddie, we're told Louis just liked the ring of it and Briana didn't object.

As for Reign, we're told Briana wanted something earthy, but thought Rain sounded too girly ... so she went with the more kingly version.

It's all fun and baby names -- until diaper duty starts.

Here ya go One Direction fans -- Louis Tomlinson taking the stage for the first time ... as a hands-on dad!

Louis loaded up his newborn son into an SUV, along with baby mama Briana Jungwirth. Looks like daddy Louis had first shift on car seat duty as they headed to the hospital for a checkup.

Their kid's about 6 days old ... but Louis and Briana still haven't announced a name. Tuesday's outing was the first time the new parents have been seen together in months.

Louis Tomlinson is providing for his baby and baby mama, but the digs are modest and the jury is out on child support.

We've learned Briana Jungwirth and their son are living in a 3 bedroom home in Calabasas ... a far cry from the reported $10 million mansion he reportedly bought her. We're told the home is in the hundreds of thousands of dollars ... not in the millions.

We're told Briana is paying for the furniture and Louis isn't exactly opening the bank vault.

Louis is renting his own place in L.A. so he can be closer to his son. We're told it's a lot nicer than Briana's digs.

The new parents are getting along, but they have not settled on a child support figure yet. There are reports she wants $600k a year. That may well be in the universe of possibilities, but a lot depends on his income and the needs of the child ... that's the way it's done in California.

Briana is telling her friends she's not using the baby as a meal ticket ... getting help is fine, but she insists she won't get greedy.

Louis Tomlinson did NOT miss the birth of his first child ... TMZ has learned.

Our sources say the One Direction singer was at the L.A. area hospital when ex-gf Briana Jungwirth popped out their son on Thursday evening.

Louis was out in Beverly Hills Friday, making a quick stop at a sunglasses shop -- 'cause, really ... what's cuter than a baby in shades? The photog asked about a possible baby name, but Louis played it coy.

Briana's doing well and still at the hospital with the baby. We're told she's seen all the fake baby pics posted by 1D fans today, but rest assured ... they're all bogus.

Baby hasn't done any photoshoots. Yet.

There's a new generation of One Direction ... Louis Tomlinson and his former GF have a baby boy.

Briana Jungwirth gave birth this week in L.A. It's the first child for both of them -- Louis is 24 and Briana's 23 -- and the first kid for any of the 1Ders. No word on a name yet.

It's unclear if Louis was in town for the birth. He and Briana only dated briefly before she got pregnant, but we're told they've gotten much closer during the pregnancy ... especially after Louis made a special trip to L.A. to hang with her family over the summer.

Mazel tov!

Liam Payne's new direction is rapping and the word on the street is the 1Der is really good at it too.

Liam's hard at work on his solo debut and had a session over the weekend in Malibu with producers TM 88 from 808 Mafia and Juicy J.

We're told he laid down 5 tracks during the sesh and there's a few where he both sings and raps.

Here's the kicker ... everyone who's heard the material says Liam's an unbelievable rapper. He's already got one up on a lot of MCs because he didn't need a pen or pad to write down his verses -- he opted for freestyle.

Liam's formula of singing the hook and rapping the verse sounds a lot like some guy named Drake.

No pressure.

5 Seconds of Summer is one of the hottest groups around, but one thing still gets under their skin ... a mere mention of One Direction.

We got the group leaving LAX Saturday and when our photog dared to mention their arch rival, an agitated handler laid down the law.

One Direction will get presidential treatment at the InterContinental Hotel in NYC, because the boys just made the joint a must stay in the Big Apple.

The group featured the hotel in their new music video for their song, "Perfect." The marquee showing the hotel's name is plain as day.

The manager at the hotel tells us the free ad has been a bonanza. The penthouse, where Harry Styles laid on the bed, is booked solid for the rest of the week at $5k a night.

Same for the Manhattan suites, which will only set fans back $1,500 a night. Sold out.

The hotel had no idea it would score prime real estate in the music video ... they insist they didn't pay for the plug.

Harry, Liam, Niall, Zayn, Louis ... best pitchmen ever.

Zayn Malik's ex-fiancee Perrie Edwards looks like a desperate chick who's still longing for the guy who dumped her in a new Little Mix music video -- but we've learned it's not what it seems.

The vid for "Love Me Like You" dropped Friday, and fans instantly noticed the engagement diamond on Perrie's finger. People were wondering why she was still wearing it, since they broke up 2 months ago. Was it a dig at Zayn or wishful thinking?

It's neither. We found out the video was filmed around 6 months ago, when Perrie and Zayn were still a thing. Sources who were on the set tell us she kept the ring on during shooting because they were very much in love.

But y'know ... things change. The former One Direction singer broke things off in August, and Perrie didn't take it well.

Silver lining: Perrie gets some pub for her new song.

Fifth Harmony got their big break on "X Factor" just like One Direction, but the girl group doesn't see it ending for them anytime soon.

Dinah-Jane Hansen and Normani Hamilton told our photog at LAX, 1D will go on for infinity. But as we kept talking, it became scarily apparent, Fifth Harmony may be the last group standing.

One Direction is no more, at least for now. The guys are putting the group on ice so they can each do their own thing.

They're calling it an extended hiatus, but we've heard that song before. It's a way to keep the door open just in case ...

They just released a music video which got a lot of attention, so the timing is a little weird, but there's been lots of buzz Harry Styles might bail after Zayn Malik said so long.