Whether it's looking too frumpy or trying desperately to relive their schooldays (hi Madonna), this lot need to seriously reconsider their wardrobe choices...
Dress your age! 20 celebrities who don't er, dress their age
1 of 20Anna Dello Russo, 52
Dress age: 24
2 of 20Christina Hendricks, 39
Dress age: 55
3 of 20Elle Fanning, 16
Dress age: 38
4 of 20Britney Spears, 32
Dress age: 16
5 of 20Gemma Arterton, 28
Dress age: 65
6 of 20Helena Bonham-Carter, 48
Dress age: 21
7 of 20Willow Smith, 13
Dress age: 23
8 of 20Zooey Deschanel, 34
Dress age: 15
9 of 20kiernan-shipka-stars-dress-age-black-blue-suit
10 of 20Janice Dickinson, 59
Dress age: 25
11 of 20Jennifer Aniston, 45
Dress age: 28
12 of 20Katy Perry, 30
Dress age: 17
13 of 20Madonna, 56
Dress age: 13
14 of 20Jennifer Lopez, 45
Dress age: 30
15 of 20Pixie Lott, 23
Dress age: 19
16 of 20Kris Jenner, 58
Dress age: 24
17 of 20Taylor Swift, 24
Dress age: 17
18 of 20Mariah Carey, 44
Dress age: 19
19 of 20Lizzie Cundy, 43
Dress age: 18
20 of 20Pippa Middleton, 31
Dress age: 45