"Gimme More" is a dance-pop song recorded by American singer Britney Spears for her fifth studio album, Blackout, released in 2007. The song was written during her second pregnancy and was dubbed a comeback release. The song features racy lyrics backed with breathy vocals and uptempo beats.

"Gimme More" was a commercial success with radio stations and digital stores during its pre-singles release. Announced as the lead single from the album, "Gimme More" was first released as a CD in Australia on October 6, 2007. It is Spears' first single since "Someday (I Will Understand)" in 2005. It performed well, reaching the top ten on many international charts. "Gimme More" topped Billboard's Canadian chart and reached number three in the US Billboard Hot 100, making it Spears' highest-peaking single in the United States since her 1999 number-one debut "...Baby One More Time". It also peaked at number three in Australia and the United Kingdom. In Australia and the US, the single was certified platinum.

The single gained mixed reviews, mostly because of its club-natured melody and spoken intro. The single's accompanying stripper-inspired music video also received media attention, with Spears' pole dancing being panned by critics. On the other hand, the video was considered an improvement on her highly criticized 2007 MTV Video Music Awards opening performance.