Someone who had a number one single is Avril Lavigne.
Avril Lavigne . Let Go made Lavigne the youngest female soloist to reach number 1 in the UK . Her breakthrough single , `` Complicated '' , peaked at number 1 in many countries around the world , as did the album Let Go . The Best Damn Thing , Lavigne 's third album , was released in April 2007 , becoming her third number 1 album in the UK Albums Chart and featuring her first US Billboard Hot 100 number 1 single , `` Girlfriend '' . Lavigne has scored six number-one singles worldwide , including `` Complicated '' , `` Sk8er Boi '' , `` I 'm with You '' , `` My Happy Ending '' , `` Nobody 's Home '' , and `` Girlfriend '' .