Donnie Wahlberg, Nick Lachey, and Entourage creator Doug Ellin have a new comedy in the works at CBS. According to Variety, the network is developing a single-cam comedy from the trio about a boy band who reunite after 20 years. Ellin will write the script and co-executive produce with Wahlberg, Lachey, and Two and a Half Men’s Eric and Kim Tannenbaum.