MATT CARDLE has stayed at the top of the UK singles chart with his X Factor winners single 'When We Collide. The single has now sold 738,000 copies after selling 300,000 more units in the past week. It was also announced as the second biggest-selling single of the year so far, behind Eminem and Rihannas duet 'Love the Way You Lie. Rihanna also stayed at this weeks number two with 'Whats My Name?, her duet with rapper Drake. The Black Eyed Peas former number one 'The Time (Dirty Bit) climbed back to number three. Katy B scored her second Top 10 hit with 'Lights On - featuring Ms. Dynamite - at number four, with Ellie Gouldings 'Your Song completing the Top 5. Katy Perrys 'Firework and Far East Movements 'Like a G6 both returned to the Top 10, with Rihanna climbing back to number six with 'Only Girl (In the World). Take That fell one place to seven with 'The Flood, while Willow Smith stayed at nine with 'Whip My Hair. Elsewhere, Tine Tempahs 'Invincible - featuring Kelly Rowland - climbed 17 places to number 15, while N-Dubz rose 16 spots with 'Girls at number 19, and Jessie J climbed from number 34 to 22 with 'Do It Like a Dude. There were new entries in the Top 40 for Cheryl Coles 'The Flood at 26, and Chris De Burghs duet with brothers Ben and Jamie Hazleby at 36 with an updated version of De Burghs 'Lonely Sky. DS