NEW YORK -- ABC's "Good Morning America" will host Kevin Richardson's reunion performance with The Backstreet Boys.

The quartet will appear on the morning show's summer concert series on Aug. 31 in Central Park.

Richardson announced he was leaving the group in 2006, but has appeared in the lineup occasionally since. The remaining Backstreet Boys – Nick Carter, Howie Dorough, Brian Littrell and AJ McLean – announced Richardson would be rejoining them permanently during a performance in London last April.

A statement says all five are in a London studio with producer Martin Terefe working on a new album that will be released next spring to coincide with the group's 20th anniversary.

Carter says the group "couldn't be happier to have our brother back with us."

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Want to know if your favorite pop act is reuniting in 2012? Check out the slideshow below.
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  • S Club 7

    S Club 7 -- a British pop group created by former Spice Girls manager Simon Fuller and consisting of members Tina Barrett, Paul Cattermole, Jon Lee, Bradley McIntosh, Jo O'Meara, Hannah Spearritt and Rachel Stevens -- rose to international fame in 2000, before splitting in 2003. In March 2012, it was announced that <a href="http://www.mirror.co.uk/3am/celebrity-news/s-club-7-hit-the-comeback-trail-767556" target="_hplink">all original seven members would reunite for seven UK shows, with possibility of a two-album record deal.</a>

  • The Backstreet Boys

    Unlike almost all of the other 90s boy bands, the Backstreet Boys never really broke up -- although original member Kevin Richardson did quit in 2006. In 2011, the Backstreet Boys toured with New Kids on the Block, and BSB is planning to release a new album in 2012.

  • Spice Girls

    After reuniting in 2007 for a Spice Girls reunion tour, the <a href="http://www.cbsnews.com/8301-31749_162-57368509-10391698/spice-girls-reuniting-for-queens-diamond-jubilee/" target="_hplink">British girl power group may reunite again for Queen Elizabeth's upcoming Diamond Jubilee</a> in June. Scary, Baby, Sporty, Ginger and Posh may also don their platform boots for the London 2012 Olympic Games this summer.

  • New Kids On The Block

    After reuniting in 2008, New Kids On The Block embarked on a highly successful reunion tour. Then in 2011, they joined The Backstreet Boys for the NKOTBSB tour and released a compilation album of the same name, featuring their hits "You Got It (The Right Stuff)" and "Hangin' Tough," and a new recording, "Don't Turn Out the Lights."

  • Take That

    Take That formed in 1990 and after a few No. 1 UK singles, the British boy band split in 1996. However, the group reunited in 2005 and have been touring and releasing new music ever since. The band's next album is expected to hit shelves in late 2012, and <a href="http://www.dailystar.co.uk/news/view/214902/Robbie-William-s-next-Take-That-reunion-is-back-on-for-good/" target="_hplink">Take That is also in talks to open the London 2012 Olympic Games</a>.