Nick Carter, Lance Bass, AJ McLean and Joey Fatone are making boy band fans' dreams come true. The former members of the Backstreet Boys and *NSYNC recently got together for a good cause, and talked to ET about possibly making new music together.The foursome recently donated $1 million to The Trevor Project on behalf of Mission Tsuki and hosted Bingo Under the Stars in celebration of Pride month at The Grove in Los Angeles.