by the time the after-party red carpet was rolled out -- ♪ guest judge gilles marini, was feeling thegiving brandy's dance a nine. >> this was the first time i judged. and the last time in my life. >> reporter: you won't judge again? >> you judge high, you look like an idiot. you judge fair, they're going to hate you for it. >> reporter: true, guest judges had more tens. and kelly osbourne piled on the praise for bristol palin. >> i think she did a fantastic job. >> i'm proud of myself for coming out of my shell. and becoming more confident in who i am and knowing what i'm capable of. >> reporter: are you going to win this? >> i think we have a shot. ♪ >> reporter: jen for rolled three generations strong, with her father, oscar-winning actor, joel grey. and her 8-year-old daughter, stella. >> it was thrilling. i wept. i saw her at rehearsal yesterday. and my eyes just teared up. and she just delivered tonight. ♪ >> maybe she will be my role model. >> reporter: the show's 11 seasons have served up more than 1,000 dances and 121 stars. some got reacquainted last night, like evan lysacek