Austin Butler is celebrating the premiere of his new movie with his girlfriend by his side!

The 32-year-old Oscar-nominated actor held hands with girlfriend Kaia Gerber as they left the Dune: Part Two premiere after-party on Thursday night (February 15) in London, England.

PHOTOS: Check out the latest pics of Austin Butler

For the party, Austin wore the same Gucci suit that he wore to the premiere hours earlier while the 22-year-old model wore a shimmering chocolate-brown dress with gold strappy heels.

While doing some press at the premiere, Austin shared some sweet and rare comments about Kaia.

Dune: Part Two hits theaters on March 1 – watch the trailer here!

Click through the gallery inside for 35+ pictures of Kaia Gerber and Austin Butler leaving the after-party…