The holiday season in Hollywood saw a flurry of celebrity wedding announcements, starting off with the double bombshell that Natalie Portman is not only engaged to her “Black Swan” choreographer, Benjamin Millepied, but pregnant as well, according to People magazine. And Playboy tycoon Hugh Hefner is getting married for a third time after proposing to girlfriend Crystal Harris for Christmas, he announced on Twitter. LeAnn Rimes and Eddie Cibrian also announced their engagement over the holidays, as did Reese Witherspoon and boyfriend Jim Toth.

Ryan Phillippe has nothing but well wishes for ex-wife Reese Witherspoon on news of her recent engagement to agent Jim Toth. “I’m very happy for both Reese and Jim,” he says in a statement, according to the New York Daily News. “I wish nothing but the best for the mother of my children.”

Kate Moss is reportedly getting serious about a career in music. The model and designer is hard at work on an album with boyfriend Jamie Hince, according to the Daily Mail. It wouldn’t be Moss’ first foray into music, as she contributed to troubled ex-boyfriend Pete Doherty’s last album with his band, Babyshambles.

Marc Anthony is kicking off 2011 owing $3.4 million in taxes to the State of New York, according to Radar Online. The singer has reportedly failed to pay taxes on property in Nassau County for the past two years. Neither Anthony nor his lawyers could be reached for comment about the debt. Anthony and his wife, Jennifer Lopez, are said to earn around $31 million annually, according to People magazine.

Rumors are swirling that pop group ABBA may reunite to perform for Prince William and Kate Middleton’s April wedding, according to M Magazine. “A reunion, an occasional opportunity, maybe in connection with a charity event, I believe we could consider it,” singer Agnetha Faltskog says. “We would not reunite for a tour like the Rolling Stones and other old bands do now. However, I could see us doing something together in the future. It is just a feeling I have that it would be fun to get together, talk a bit about the past and maybe perform together.”

British actor Rupert Everett is not the biggest Jennifer Aniston fan. In an interview with the BBC, Everett used the former “Friends” star as an example while discussing what’s wrong with Hollywood. “There’s lots of women and lots of men in the business that the powers that be decide are right for their business, and they’ll stand with them for quite a long time,” he says. “Something will go wrong, like Jennifer Aniston will have one too many total flops, but she’s still a member of that club. Like a star forming in the universe, things will swirl around her and it will suddenly solidify into another vital tasteless [romantic comedy], a little glitter next to the Crab Nebula.”