Hayden Panettiere and Milo Ventimiglia are definitely together.

They are cute, but it's a little creepy that she's 18 and he's 30.

Here's the scoop on the alleged love birds: Sean "Diddy" Combs and his posse were doing a lil' late-night visiting at Sienna Miller's villa in Ibiza last night. The group had allegedly been partying at Diddy's club, DC10, beforehand. As a result, everyone is all Sienna and Diddy in love! Diddy and Sienna in love!

This rumor mill began waaaay back in January when photogs snapped the 'friends' at various clubs. Then, TMZ reported on the 29th that Diddy dropped Sienna off at her NYC hotel after a long night of par-taying. They've got the video to prove it . . . though interestingly enough, Diddy wanted it deleted.

Sienna and Diddy get comfycozy at a club.

Umm, Joe Pesci and Angie Everhart are engaged? Did we read that correctly?

How come this is the first we're hearing of these two lovebirds?

Dear Kate Hudson,

I officially have no clue what your "type" is. First, you go and marry that raggedy old Chris Robinson. Thumbs down.

Then you're all about chillaxed frat bro Owen Wilson. Thumbs up. Actually, thumbs in that 'cowabunga' sign.

And just when I get comfortable with Owen, you start canoodling with Dax Shepard? I saw you guys walking, hand in hand, the other day. He even had his shirt off, and you know what that means. Well, I'm not sure what it means, but it is a definite sign of tru lurve.

Kate, Dax is like . . . a loser. His biggest credit is Punk'd. Oh wait, just kidding. He was in Zathura. He's cute and he sure has a hot bod, but come on Kate. I thought your days of Robinson rebellion were over.

Dax Shepard and Kate Hudson: Is this just an elaborate Punk'd hoax?

Da dah dahhh! In this week's episode of "Dumbest Relationship Rumor We've Ever Heard in Our Entire Blogger Lives" we focus on the alleged lesbian union of Joan Jett and Carmen Electra.

Apparently, Star Magazine reported that the ladies slobbered all over each other at one of Joan's concerts last November. I know, I know, Carmen did say she's "had a little girl crush on Joan Jett since I was eight ... Remember that video where she comes out with a trench coat on and she opens up the trench coat and she's wearing a bikini and then she's rocking out with a guitar? ... She's hot."

But come on. Girl crushes are like crispy M&Ms: you can never have too many. And if liking someone's outfit in a music video = desiring a makeout sesh with them, than who among us has not had some serious relations with a rock star?

Do Joan Jett and Carmen Electra look like lovahs to you?

According to the latest rumors, Matthew Perry and Meg Ryan are an item.

Poor Lance Bass. He got the short end of the *Nstick. Since the boy band breakup, JC had a decent little solo career and even scored a spot on the Billboard Hot 100. Joey came in second place in Dacing with the Stars, Chris Kirkpatrick is working on a VH1 reality show, and Justin . . . well, you know. But what about Lance? He released a wicked miserable film in 2001 (On The Line) got made fun of for trying to zip off to the moon in 2002 before getting 'outed' in 2006 by Page Six.

But things are falling into place for "The Shy One." The King of Frosted Tips is set to star in the Broadway version of Hairspray (Aug 14) and has landed himself super hottie Pedro Andrade, a Brazillian model. Of course they've only been seen together at a few parties but hey, in celebreality, they're practically engaged.

Lance Bass andPedro Andrade were seen partying together at a 4th of July soiree.

Maybe Hilary is just getting back at Nicole Richie, who dated Brody Jenner and is now dating Duff's ex, Joel Madden. Or maybe Jenner and Duff really hit it off. Whatever the reason, what really matters is why Brody is wearing Larry the Cable Guy's sleeveless flannel shirt.

Photographers spotted Brody and Hilary spending time together the other night.

(Dave Hogan, Getty Images)

After directing her in half his half of Grindhouse, Planet Terror, Robert Rodriguez started dating Rose McGowan, despite being married. They have since taken their relationship to Cannes, walking the red carpet together.

(Getty Images)

Star Magazine is reporting that Laura Prepon and Jason Lewis looked very comfortable with each other at several Hollywood parties and hot spots.

(Frazer Harrison, Getty Images for ACMA)

Carrie Underwood and Tony Romo kept denying their romance. But nothing is more official then stepping out onto the red carpet together.

According to reports, Michael Jordan and Whitney Houston were seen engaging in a little dirty dancing action. Is the beginning of a beautiful relationship? Maybe. But the least we can do to help them a long is give them a celebrity couple nickname.

Will Whitney and Michael be the next hot couple? (Getty Images)