Kristen Stewart returned to LA last night. The Twilight star is home before the holidays following a busy Fall balancing promotions for Breaking Dawn Part 1 and shooting Snow White and the Huntsman. All the hard work has earned Kristen a place among your favorite Hollywood actresses of the year, and she's also one half of our pick for hottest couple of 2011. Kristen and boyfriend Robert Pattinson are fresh off a week together in London, and she could be heading back to the UK if she decides for a three-peat on her New Year's plans — she and Rob spent the last two partying with friends on the Isle of Wight.

Jennifer Garner and Seraphina shared a laugh as they shopped around Santa Monica this afternoon. The duo are among the many celebrities getting ready for the holidays, and they were spotted out in festive gear over the weekend. The Garner-Afflecks' year was full of happy moments, and they have even more exiting things to come. Jennifer is expecting her third child, which just might be one of the biggest headlines of 2011, but for now she's focused on her current foursome. Jennifer told InStyle that she wouldn't trade motherhood for anything and that she "would do anything" for Ben.

Blake Lively captured a few pictures of Leighton Meester on her iPhone during a scene for Gossip Girl in NYC today. The costars were back on set after a late night of filming yesterday. Both ladies were wearing brightly colored wrap scarves with Blake in White + Warren and Leighton in Autumn Cashmere. Blake brought Ryan Reynolds's dog to the evening shoot, but there was no sign of the actor. Blake and Ryan spent last weekend in the Big Apple, where they met up with Blake's sister and her husband for breakfast.

It's been a fun few months for Blake and Ryan, who are just one of many cute new couples this year. They're heading into their first festive season together, and if their Thanksgiving getaway to Utah is any indication, they might spend the upcoming holidays together at well.