question: English singer and media personality Kerry Katona was replaced by singer Jenny Frost in which band?
answer: Atomic Kitten
context: Title: Greatest Hits (Atomic Kitten album)
  Passage: The Greatest Hits is the first compilation album released by the British girl group Atomic Kitten; the album was released following the announcement of the group's split.  It was released in the United Kingdom on 5 April 2004 by Virgin Records.  It contains all of the group's chart hits from the group's three studio albums "Right Now" (2000), "Feels So Good" (2002) and "Ladies Night" (2003) with the exception of their UK Top 20 hit "Follow Me" from 2000. " Right Now 2004" was released as the album's lead single on 29 March 2004.  Although Kerry Katona does not appear on the cover of the album, her vocals do appear on "I Want Your Love" and "See Ya", although Frost's vocals appear on "Whole Again", which Katona originally featured on.
  Title: Jenny Frost
  Passage: Jennifer "Jenny" Frost (born 22 February 1978) is an English singer, dancer, television presenter, and model.  She was a member of girl group Precious before replacing Kerry Katona in chart-topping band Atomic Kitten from 2001 until they split in 2004.  Frost returned with the group in 2005, 2006, and 2008 for one-off appearances but chose not to return when the group were invited to appear on ITV2's The Big Reunion in 2012.  Original member Katona was asked to come back, and she agreed.  Frost presented makeunder show "Snog Marry Avoid? " from 2008 to 2011.  In 2011 she co-presented "OK!  TV" alongside Jeff Brazier.
  Title: Kerry Katona
  Passage: Kerry Jayne Elizabeth Kay ("née" Katona, formerly McFadden and Croft; born 6 September 1980) is an English singer and media personality best known for her television work, predominantly in light entertainment and reality shows.  She is a member of girl group Atomic Kitten.
citations: Kerry Katona Jenny Frost