Hookups, Breakups and Babies- the scoop on the juiciest relationship news in Hollywood this week

Babies

 

• Kristin Cavallari had a star-studded baby shower this weekend and guess which of her former reality TV co-stars showed up: none other than Spencer Pratt and Heidi Montag! Yes, they're apparently still around. We haven't seen many pictures of He- and She-Pratt from the party floating around, but we have a feeling plenty more will be sooner or later. Those two can't resist an easy entry back into the news cycle. Cavallari looked great in a black maxi dress for her fete and we're sure she enjoyed being showered with expensive gifts before the arrival of her baby boy.

• Carrie Underwood and Mike Fisher aren't quite ready to start a family, but they better get a move on if the NHL star is really gunning to have seven kids. The country star said she'd be happy with "two or three" children, but her hubby is hoping for his own hockey team, apparently. For now, though, Underwood seems too busy wearing princess dresses to switch to maternity styles.

 Breakups

• Turns out Katy Perry and Robert Ackroyd were just a fling. Sources say the singer and Florence + the Machine guitarist have split, but it's nothing personal. They had a couple magical weekends at Coachella and now they're too busy to date. "It's not a nasty thing and they are still talking, but Katy told him to do his thing and they'll talk soon," the unnamed insider said.

Perry is currently working on her 3-D movie, Katy Perry: Part of Me. The documentary will feature her new song, "Wide Awake," which is the first time she's addressed her divorce in song. The singer sang the tune at the Billboard Music Awards last night, with her 91-year-old grandma in the crowd.

"I'm wide awake. I was in the dark, I was falling hard with an open heart. How did I read the stars so wrong. I was dreaming for so long. I wish I knew then what I know now. I wouldn't dive in, I wouldn't bow down," she sang.

• Here's some excellent news for your Monday morning: Linda Hogan is single! Hulk Hogan's  52-year-old ex-wife has broken off her four-year relationship with Charlie Hill, a shaggy-haired dude who's less than half her age. The two apparently had a heart-to-heart and when they realized they could never see themselves married, they decided it was best to go their separate ways. Hill then moved out of Hogan's Florida home. Sorry, Charlie!

Hookups

 

• Some 51-year-olds have all the luck. Sean Penn went from dating insanely hot actress Scarlett Johansson last year to dating insanely hot model Petra Nemcova now. The pair made their public debut at the Cannes International Film Festival late last week and appear completely smitten. They hammed it up for the cameras on the red carpet, then spent Friday night at the actor's Haiti charity event. Of course, the 32-year-old blonde looked stunning in every snapshot.

• Michael Fassbender has a new woman in his life, 27-year-old actress Nicole Beharie. The two met on the set of the movie Shame, but the actor insists their relationship didn't turn romantic while they were working. "Nothing happened while we were filming," he told GQ. "We started talking more on the promotion thing. So, yeah, it just sort of unfolded like that."