On 10 September 2012, it was announced that Smith would take part in the 2012 series of Strictly Come Dancing. On 15 September, the launch show revealed that his professional partner was Flavia Cacace. From weeks 1-8, his performances received mixed to positive reviews from the judges, until weeks 9-12 when the reviews became more positive and landed him in the top half of the leaderboard. He came top of the leaderboard for the first time in the Halloween week with his Tango and then again in week 9 with his Charleston, but his best and perfect score came in the grand final with his Showdance, for which he scored a perfect 40. On 22 December in the grand final, Louis Smith and Flavia Cacace were announced as the winners of the series.
| Week # | Dance/Song | Judges' scores | Result | ||||
| Horwood | Bussell | Goodman | Tonioli | Total | |||
| 1 | Cha-Cha-Cha/"Forget You" | 6 | 8 | 6 | 7 | 27 | No Elimination |
| 2 | Viennese Waltz/"Puppy Love" | 7 | 7 | 8 | 8 | 30 | Safe |
| 3 | Salsa/"(I've Had) The Time of My Life" | 8 | 8 | 6 | 8 | 30 | Safe |
| 4 | Tango/"Disturbia" | 8 | 9 | 9 | 9 | 35 | Safe |
| 5 | Samba/"La Bomba" | 6 | 7 | 8 | 8 | 29 | Safe |
| 6 | Waltz/"Moon River" | 6 | 9 | 9 | 9 | 33 | Safe |
| 7 | American Smooth/"I Got a Woman" | 7 | 8 | 8 | 7 | 30 | Safe |
| 8 | Paso Doble/"Dirty Diana" | 6 | 7 | 7 | 7 | 27 | Safe |
| 9 | Charleston/"Dr. Wanna Do" | 8 | 10 | 9 | 10 | 37 | Safe |
| 10 | Rumba & Tango/"With or Without You" | 9 | 9 | 9 | 10 | 37 | Safe |
| 11 | Jive/"Why Do Fools Fall in Love" | 7 | 8 | 8 | 8 | 31 | Safe |
| Foxtrot/"Somebody That I Used To Know" | 9 | 10 | 9 | 10 | 38 | ||
| 12 | Salsa/"(I've Had) The Time of My Life" | 9 | 10 | 10 | 10 | 39 | Safe |
| Showdance/"Rule The World" | 10 | 10 | 10 | 10 | 40 | ||
| Charleston/"Dr. Wanna Do" | 9 | 10 | 10 | 10 | 39 | Winner | |
Read more about this topic: Louis Smith (gymnast)