Ashlee Simpson held tight to Bronx as she and Pete Wentz shopped at a comic book store in LA today. Ashlee is home from NY, where she started her rehearsals for Chicago on Broadway. She's just in time for Bronx to turn 1 today, and she declared her time as a mom the best year of her life. Sister Jessica was also in town continuing her workout routine to keep her hot body in shape, before twittering happy birthday to her nephew.

To see more of Ashlee and the family, just read more

Reese Witherspoon had her hands full with her eco friendly water bottle and a hot drink after lunch with a friend in Beverly Hills yesterday. Stylish Reese looked perfectly put together as she multitasked with a big smile on her face. Her boyfriend Jake Gyllenhaal has been busy with important projects like stopping by Sesame Street and showing off his sweet smile, but his newest movie Brothers will show off a much more serious side of the handsome actor.

For more photos of Reese, just read more

Rihanna landed at LAX late last night after performing earlier in the day on the Royal Caribbean's cruise ship in Ft. Lauderdale. She spent most of her week overseas in Europe where she performed and partied with Jay-Z and Beyonce while promoting Rated R. While she was away, a new romance rumor emerged, which she quickly shot down on a radio interview. She also said that she still likes Chris Brown's music, but for now her focus is on her own album which is out next week.

For more photos of Rihanna just read more

Heidi Montag and Spencer Pratt made another stop along their book tour and visited Jimmy Kimmel last night in LA. The pair mugged and kissed for the cameras, solidifying their declaration of being "professional posers" during their live segment — check out their appearance after the jump. It's been one year today since Heidi and Spencer's elopement in Mexico, but the couple won't be spending it together. Spencer's heading to Kansas for business, while Heidi was content to spend her day at the beach.

To see more Heidi and Spencer and check out their visit with Jimmy, just read more

Rachel Bilson lent her support to a fellow celebrity designer last night, turning out to attend the launch of Amber Valletta for Monrow at Ron Herman in LA. The girls posed for photos side by side, before Rachel ventured off to browse the collection. Rachel is familiar with fashion events, but she's also gearing up for a return to acting with her upcoming stint on How I Met Your Mother. Amber, meanwhile, has been focusing on building her career after modeling, and who better to ask about that than her good friend Kate Moss?

More photos of Rachel and Amber at Ron Herman, so read more