During taping of the Saturday night programme, the superstar singer, 34, was tasked with planting a kiss on the True Blood actor following her interview with the chatshow host about her career, children and love life.
When the duo then played a game of Spears Pong - a variation on Beer Pong - and she lost, the kiss was one of her forfeits.
She had earlier said of her taste in men: “I like someone that’s just nice overall, just a nice guy really is groundbreaking in this world.
"A lot of men are about games. It’s just the mind game with guys, the calling back and the texting, it’s just too much, it’s silly."
She added: "Actually I’m not looking for men right now, I’m really happy with myself. I’m not looking for anything, I’m fine with the way I am."
The leap from them appearing on a show together to her "getting dick". The Army projecting the thirst in their lives and dryness in their southern regions unto Britney
It's like she has a new man every 6 or 7 months, I could never 
