Jenna, 37, abruptly dropped the "Tatum" on social media, shocking fans!
This move came shortly after the Step Up star posted a sexy lingerie pic. Maybe to make Channing remember what he's missing?
Now it appears like Jenna is in full-on move-on mode. The two still haven't revealed the reason behind their breakup, and Jenna denied it had to do with Channing's drinking.
What do you think about Jenna dropping "Tatum" from her name on social media? Let us know in the comments!