Such delectable television tonight! For the teen set, we've got 90210. For those who can handle more mature content, there's Nip/Tuck. If you're a fan of Top Chef, check out the new reality series Chopped. And for all viewers, MTV brings us the gift that is A Double Shot of Love. > 8:00 PM 90210, The CW (1 hr) NEW Last week, when Dixon was sweating that Christina was into him, she revealed that she had a girlfriend. (Whew.) But then, she quickly told him she’s dated guys in the past. (Uh, oh. Silver, watch your back.) > 10:00 PM Chopped, Food Network (1 hr) SEASON PREMIERE Ted Allen hosts a brand new food competition show in which cheftestants compete to make extraordinary three-course meals out of everyday ingredients. > 10:00 PM Nip/Tuck, FX (1 hr) NEW We know this show pushes the envelope, but are they really going to have lesbian Liz hook up with man-whore Christian? Really? > 10:00 PM A Double Shot at Love, MTV (1 hr) NEW Rikki and Vikki, the bisexual identical twins, continue on their journey to find true love among a bunch of drunken, camera-hogging guys and gals. This week, they meet the final four's families. Lord, help us all.