Booboo Stewart Cast in 'X-Men: Days of Past'!

Booboo Stewart is all smiles while eating popcorn at The Grove on Saturday afternoon (April 6) in West Hollywood, Calif.

The 18-year-old actor was joined by his family for the outing and spent quality time with his little sister Sage Stewart.

PHOTOS: Check out the latest pics of Booboo Stewart

Director Bryan Singer recently confirmed that Booboo has been cast in the upcoming X-Men: Days of Past flick by posting a photo of the cast head shots on Twitter. Congrats, Booboo!

Booboo will reunite with his Twilight co-star Daniel Cudmore for the flick – JJJ can’t wait!