B in the Mix: The Remixes Vol. 2 is the second remix by Britney Spears, released on October 7, 2011 by RCA Records. On September 9, 2011, Spears announced the release by posting the cover art and track listing on her Tumblr. The album includes remixes of various tracks from each of her albums Blackout (2007), Circus (2008) and Femme Fatale (2011), as well as a remix of "3". The remixes were done by DJs such as Kaskade, Teisto and Benny Bannasi. The music was influenced by various genres of pop music, such as dance-pop and pop rock.
Critics gave mixed reviews to the album. Some reviewers considered B in the Mix: The Remixes Vol. 2 more creative when compared to studio albums Blackout and Circus, despite noting most of the songs lost its "magic" in a remixed form. B in the Mix: The Remixes Vol. 2 charted in countries such as Canada, France, United Kingdom and the United States, where it peaked at number four on the Billbord's Dance/Electronic Albums.
In November 2005, Spears released her first remix album, B In The Mix: The Remixes. During the next six years, she released three studio albums: Blackout (2007), Circus (2008) and Femme Fatale (2011). Online store Fragantica.com reported that Spears' new fragrance Cosmic Radiance could "be expected with launch of new remix album" by Spears in August 2011. On September 2, 2011, Sony Japan posted the cover art of a remix album by Spears titled B in the Mix, The Remixes 2, along with the announcement that it would feature unreleased tracks. The cover art for the album features Spears smirking with hair in her face behind a butterfly, while wearing a silk outfit. Amy Sciarretto of PopCrush said that although the cover resembled that of B In The Mix: The Remixes, it is a "a somewhat unflattering shot of the normally gorgeous star."On September 9, 2011, Spears posted the official cover and track listing for B in the Mix: The Remixes Vol. 2 on her Tumblr. The track listing included remixes of three tracks from each of her last three studio albums, as well as a remix of "3" from The Singles Collection (2009). However, the Varsity Team Remix of "Criminal" was removed from most editions before the album's release and the Radio Mix was included in its place.