Actress Mila Kunis poses at the 5th annual Spike TV's Guys Choice awards in Culver City, California June 4, 2011. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT)

According to a report, things are heating up between the pair. Find out about Kutcher and Kunis' relationship.

According to a report, things are heating up between the pair. Find out about Kutcher and Kunis' relationship.