Lauren Jauregui & Ty Dolla $ign Look Cute in Halloween Costumes at 'Beach House 3' Release Party!

Lauren Jauregui and Ty Dolla $ign aren’t just musical collaborators – they also know how to rock a Halloween look together!

The Fifth Harmony superstar and the rapper made a cute pair at the celebration party for Ty‘s sophomore album release at 41 Ocean on Monday night (October 30) in Santa Monica, Calif.

PHOTOS: Check out the latest pics of Lauren Jauregui

The two looked super cute together dressed as Alice and The Mad Hatter from Alice in Wonderland.

Beach House 3 features a collaboration between Lauren and Ty called “In Your Phone.” Give it a listen if you haven’t already!