The former X Factor contestant leapt over this year's finalists and their charity track 'Wishing On A Star' to collect his third solo number one, having settled for the runner-up spot in the past two weeks.
Lloyd, Andre 3000 and Lil Wayne score today's highest new entry at three with 'Dedication To My Ex (Miss That)', while T-Pain, Wiz Khalifa and Lily Allen's '5 O'Clock' follows at six.
Coldplay zoom five positions to seven with 'Paradise', while Ed Sheeran's 'Lego House' and Labrinth's 'Earthquake' slip into the double digits after falling three and five respectively to ten and 11.
Mariah Carey begins her traditional December ascent with 'All I Want For Christmas', up 15 spots to 12, as a second festive favourite 'Fairytale Of New York' by The Pogues and Kirsty Maccoll also cracks the top 20 after rising eight to 15.
Resting between the Christmas stalwarts are Kelly Rowland's 'Down For Whatever' and Drake's 'Take Care', down four and three respectively to 13 and 14.
The fallers continue further down the chart with 'Moves Like Jagger' by Maroon 5 tripping six to 16, LMFAO's 'Sexy And I Know It' being knocked from 13 to 17 and Jason Derulo's 'Fight For You' losing three positions at 18.
Sway's 'Still Speedin' makes its debut at 19 and Lady GaGa completes the top 20 with 'Marry The Night', which is down four this Sunday.
The Yuletide purchases continue elsewhere in the Top 40, with 'Last Christmas' by Wham! re-entering at 26, Wizzard's 'I Wish It Could Be Christmas Everyday' landing at 28 and Slade finishing at 33 with 'Merry Xmas Everyone', one position ahead of 'Do They Know It's Christmas' by the original Band Aid.
The Top 10 in full:
1. (2) Olly Murs: 'Dance With Me Tonight'
2. (1) The X Factor 2011 Finalists ft. One Direction & JLS: 'Wishing On A Star'
3. (-) Lloyd ft. Andre 3000 & Lil Wayne: 'Dedication To My Ex (Miss That)'
4. (3) Rihanna ft. Calvin Harris: 'We Found Love'
5. (4) Flo Rida: 'Good Feeling'
6. (-) T-Pain ft. Wiz Khalifa & Lily Allen: '5 O'Clock'
7. (12) Coldplay: 'Paradise'
8. (5) Avicii: 'Levels'
9. (8) Jessie J: 'Who You Are'
10. (7) Ed Sheeran: 'Lego House'
Source: Official Charts Company
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