Pop act McFly have knocked Britney Spears off the top of the singles chart with their second release Obviously.
The track is McFly's second number one
It was a new entry at the top of the chart, knocking Spears down to number two with her track Everytime.
Mario Winans' I Don't Wanna Know fell to number three while OutKast's Roses was new in at number four.
The Streets' A Grand Don't Come For Free climed to the top of the album chart, while Scissor Sisters' eponymous album climed to number two.
This came in advance of their appearance at Glastonbury Festival on Saturday.
Another Glastonbury act, Keane, saw their album fall from number one to number three.
Badly Drawn Boy had the highest-placed new album, One Plus One Is One, which entered the chart at number nine.