Pregnant Blake Lively Looks Like a Princess in This Ball Gown!

Blake Lively looks stunning in a princess-like ball gown while attending the premiere of Slack Bay during the 2016 Cannes Film Festival on Friday (May 13) in Cannes, France.

The 28-year-old pregnant actress definitely stole the show with her beautiful look while supporting Juliette Binoche at the premiere.

Blake was seen in two other looks earlier in the day while attending events for her movie The Shallows during the festival.

FYI: Blake is wearing a Vivienne Westwood Couture dress.

20+ pictures inside of Blake Lively on the red carpet…