Photo Flash: TWO AND A HALF MEN's Season 10 Finale, Airing 5/9

On TWO AND A HALF MEN's 10th season finale, titled "Cows, Prepare To Be Tipped," Walden dates a hot 22-year-old woman, but finds himself more attracted to her worldly grandmother. Meanwhile, Alan and Jake Go On a father-son bonding trip, on Thursday, May 9 (8:31 - 9:01 PM, ET/PT) on CBS. Hilary Duff guest stars as Stacey, Walden's hot young date. Marilu Henner guest stars as Linda, Stacey's worldly grandmother.