We're ashamed we didn't spontaneously realize this ourselves: 30 Rock's Kenneth the Page (Jack McBrayer) and Clay Aiken are related. Duh!
Jack Donaghy (Alec Baldwin) reveals this tidbit in Thursday's 30 Rock season finale while begging Clay (and Mary J. Blige and Elvis Costello) to do a charity concert for his dad's (Alan Alda) kidney transplant.
Get two other sneak peeks below, including what looks suspiciously like a dig at Tyra Banks that we think Joel McHale would love...
30 Rock's finale airs Thursday night at 9:30 on NBC.