Sexy and I know it (LMFAO)
| Date | 8/28/11 | 9/4/11 | 9/11/11 | 9/18/11 | 9/25/11 | 10/2/11 | 10/9/11 | 10/16/11 | 10/23/11 | 10/30/11 | 11/6/11 | 11/13/11 | 11/20/11 | 11/27/11 |
| Pos | 48 | 42 | 31 | 29 | 24 | 17 | 16 | 11 | 9 | 7 | 6 | 7 | 7 | 4 |
| 12/4/11 | 12/11/11 | 12/18/11 | 12/25/11 | 1/1/12 | 1/8/12 | 1/15/12 | 1/22/12 | 1/29/12 | 2/5/12 | 2/12/12 | 2/19/12 | 2/26/12 | ||
| 3 | 2 | 4 | 4 | 4 | 5 | 5 | 7 | 8 | 9 | 13 | 14 | 14 |
R&R CHR/Pop charts and/or Mediabase Mainstream top 40 charts. (c) Radio & Records, Inc.. Used with permission from both R&R and Mediabase.