AJ McLean would now like to go by Alex ... fans will recall in 2001 when his four bandmates went on “Total Request Live” with Carson Daly and announced that McLean was entering rehab.

“That is fun to do live. That wasn't in the first few shows ... Related: Backstreet Boys' AJ McLean Reveals His Favorite *NSYNC Songs to Sing on Tour — and One's 'Raunchy' (Exclusive) The ...

ET was with Joey Fatone and AJ McLean as they reflected on their time in *NYSYC and shared their newest ventures. Fatone made the revelation during an interview on Audacy's 96.5 WTIC-FM.