Family Guy: Live in Vegas is a soundtrack album for the American animated television series Family Guy. It was released on April 26, 2005 by Geffen Records. It was composed by Walter Murphy and creator Seth MacFarlane. The album features only one song from the series, the theme song, the rest of the songs were composed exclusively for the album. It features Jason Alexander, Patti LuPone and Haylie Duff as guest stars. It includes Rat Pack and Broadway inspired songs.
The album also came with a DVD featuring the music video for Stewie's "Sexy Party" as well as "making-of" featurettes for the album and the video.