Britney Spears kisses Sam Asghari on stage in Taiwan.

Britney Spears locked lips with her boyfriend Sam Asghari after he was walked on a leash across the stage in Taiwan on Tuesday night.

During her first ever show in Taipei, she got her boyfriend Sam involved. He was brought onto the stage, where he was strapped into a studded harness, which was attached to a leash that Britney held as he walked on all fours and was playfully spanked by her dancers.