Ashlee Simpson: Missoni Havaianas Launch!

Ashlee Simpson strikes a pose at Missoni Havaianas launch of their new collection held at Kitson on Thursday (June 7) in Beverly Hills, Calif.

The 27-year-old entertainer hosted the exclusive preview of the 2012 limited edition collection while Harley Viera-Newton DJed.

PHOTOS: Check out the latest pics of Ashlee Simpson

“So excited to celebrate the 2012 launch of Missoni Loves @havaianas!,” Ashlee wrote on her Twitter account.

Also pictured: Ashlee‘s sister Jessica Simpson spotted in her car as she leaves her personal trainer’s house on Wednesday (June 6) in Los Angeles.