none of the three final pros, jenna, sasha, or sharna, have ever won a mirrorball. no matter what, a pro will win it for the first time. >>> lents turn to "this is us" star justin hartley. the show has a diehard fan base. up first tonight, justin's scary fan encounter. >> wake the hell up. >> he says he was sexually harassed in a chicago restaurant. when a woman he described as old enough to be drinking a lot ran over screaming, going crazy, started kissing me. he tells good housekeeping online he tried give her a life lesson. telling her you don't walk up to people that you don't know and put theyour mouth on their face. >>> up next, taraji p. enson's mother's day surprise. >> right here. >> the star said yes to her boyfriend, former nfl pro kelvin hayden over the the weekend. they're planning to wed a year from now. the proposal was a total surprise. >> he takes me to the restaurant where we had our first date. i turn around, he's on his knees. the river of tears started. my lashes ended up on the floor. >>> and finally, lethal weapon's feuding co-stars? >> we don

or peta. they are on tour right now. but peta's bestie, and fan favorite, sharna burgess is back in the ballroom and paired with nfl staring ability so far? >> i was really impressed. i was superimpressed with him. i didn't expect it. >> sharna's never won a mirrorball. but considering nfl players have a good track record with the show, 4 wins in 25 seasons, this could be her year. >> it's due. her time is due. >> it's due. >> people, her time is due. go out and vote for us. >> sharna's strategy to win includes keeping josh light on his feet. so he took a ballet class. >> little girls are just laughing at me the bhoel time. i was just in there trying to learn how to keep my posture right. now get my, what do they call it -- whatever. my legs together. i don't know. >> plie? >> my plie? i don't know now say it. >> plie, josh. plie. they're doing the cha-cha tonight to bruno mars' finesse. >> josh's shirt is coming off. >> that might be good for the ratings. >> we'll'. >>> coming up -- >> nsync. 0 years of tearing up our hearts. >> you are behind the scenes of our new video. ♪ it's gone in be me >> footage you have never