1. Because Keira Knightley wore just jeans and what looks like a bandage to the Pirates of the Caribbean premiere.
2. Because Britney hacked the bottom of this jumper off, specifically to show off her belly button.
3. Because no one saw Gwen Stefani with a fully covered torso until 2004.
4. Because Christina couldn't leave the house without making sure her navel was on show.
5. Because in 2003 even classy looks, like this white suit Jessica Simpson rocked, had to flash a bit of belly button.
6. Because you didn't just have to get your belly button out, you could show off your belly bling though some mesh.
7. Because Mischa Barton looks very chic in this coat look, but she also made sure her navel was easily visible.
8. Because Alicia Keys managed to wear so many clothes, but also you can see her belly button.
9. Because Katie Price (aka Jordan) demonstrated two ways to frame the belly button, one for day and one for night.
Very versatile.
10. Because Rachel Stevens knew the importance of belt buckles and knit wear, when it came to showing some skin.
11. Because Lindsay Lohan managed to wear a dress and jeans AND still show off her brand new belly button piercing.
12. Because Tara Reid wore some excellent midriff jewellery.
13. Because Mariah Carey wore the almost exact same look two days apart, because it looked great both times.
She bought those boots in both colours.
14. Because Fergie showed the world that fun was her life, by not covering her navel until 2005.
15. Because P!nk had the best abs of all time.
16. Because Halle Berry really liked this dress, but also wanted to show off her belly button, so she cut it in half.
17. Because before Alicia Dixon was a judge on reality TV, she was in Mis-Teeq, and she knew how to get her navel out.
18. Because Shakira knew what went with leather trousers. Belly Buttons go with leather trousers.
19. Because even though Shania Twain was wearing 13 belts, she left room for her belly button.
20. Because the best reincarnation of the Sugababes was in full swing, and they knew how to show off their navels.
21. Because Beyoncé was launching her solo career with her belly button.
22. And seducing her man with her belly button.
23. And because Kelly Rowland wore this outfit with this specially crafted navel hole.
