news worthy of a classic icon.

You guys, my dreams from 2004 are finally starting to come true!

What do Mary J. Blige, Clay Aiken and Elvis Costello have in common? All three are the latest celebs to make cameos on “30 Rock.” According to a spy, the trio was on the show’s set Wednesday, hanging out with Tina Fey and company. “They were psyched to meet Tina,” our insider reports. “But it was Alec Baldwin who had everyone cracking up — that guy is hilarious!”

Pardon me while I dust off Measure of a Man, don my power beads and flail about this in my lime green clam-shell iMac notebook. OMFG.

Also, he's presenting at this year's GLAAD Awards. What a good panda. <3