Westlife have secured a British chart double as they sit atop both the singles and albums charts.
Elsewhere, Arctic Monkeys remain in second place in the singles chart with I BET YOU LOOK GOOD ON THE DANCEFLOOR, while PHARRELL FT GWEN STEFANI's CAN I HAVE IT LIKE THAT is a new entry at number three.
Craig David is another new entry at number four with DON'T LOVE YOU NO MORE, while SUGABABES' PUSH THE BUTTON falls two places to number five.
In the album chart, behind Westlife and Williams, ROB STEWART jumps straight in at number three with THANKS FOR THE MEMORY... THE GREAT AMERICAN SONGBOOK IV.