Krysten Ritter & Joe Jonas: Virgin America's New Route Celebration!

Krysten Ritter dons a little red dress while attending the Virgin America Celebration at the Cosmopolitan on Monday (April 22) in Las Vegas.

“Vegas style with the fun funny fabulous @thejaimepressly,” the 31-year-old actress tweeted at the event, which celebrated the new route from LAX Airport to McCarran International Airport. Check out the cute pic below!

PHOTOS: Check out the latest pics of Krysten Ritter

Joe Jonas was also spotted looking dapper while posing on the red carpet.

Also pictured: Krysten flashing a smile while heading to a screening of 42 at ArcLight on Wednesday (April 17) in Hollywood.

FYI: Krysten is wearing a Derek Lam dress and Rachel Zoe shoes.

15+ pictures inside of Krysten Ritter and Joe Jonas celebrating a new route for Virgin America…