Pop is a genre where frequent releases are expected and it's rare to see artists take big breaks. But some names who have taken a hiatus would really surprise you. Here's the list of the biggest popstars over the years and how long they kept us waiting, in chronological order. Note that this only includes solo studio albums. The artist/band must also need at least 3 studio albums to qualify. ABBA - 1 year, 4 months (ABBA: The Album - Voulez-Vous) *up to and including their original break-up