Ashton Kutcher and Mila Kunis recently stole the spotlight during a Backstreet Boys concert in Las Vegas, and fans can’t stop talking about their adorable PDA moment. The duo proved they’re still one of the most fun-loving couples in the industry as they danced and sang along to the iconic boy band’s biggest hits.

Ashton Kutcher and Mila Kunis were spotted packing on the PDA while attending a Backstreet Boys concert at the Sphere in Las Vegas on Saturday, Aug. 2 The couple danced and sang along to the group's romantic 1999 hit "I Want It That Way"