Ashton Kutcher and Demi Moore hit the red carpet in LA last night for the Coalition to Abolish Slavery and Trafficking gala at the Skirball Cultural Center. It's a cause close to their hearts, but the big news of the night is the story that Ashton Kutcher is joining Two and a Half Men to replace Charlie Sheen. Ashton has yet to confirm the news, though he cryptically tweeted about the square root of 6.25, which is 2.5. It will be a return to TV for Ashton, who got his big break on That '70s Show, and according to TMZ Kutcher's Two and a Half Men salary will be less than half of what his predecessor, the highest paid guy on the small screen, Charlie Sheen was making. Most of you seem pretty split on the idea of Ashton joining the cast of the hit sitcom, so we'll have to wait and see just how he'll fit in with the rest of the crew on the show.