Rihanna at TRL in 2007 and at the Christian Dior fashion show in 2016.
2. Mandy Moore
Mandy Moore at the premiere of License to Wed in 2007 and at the Golden Globe Awards in 2017.
Beyoncé at the TODAY show in 2007 and at the Get Out The Vote concert in November 2016.
4. Jessica Simpson
Jessica Simpson at a party for Major Movie Star in 2007 and in October of 2016.
5. Ashlee Simpson
Ashlee Simpson at TRL in 2007 and at the Heaven Gala in 2017.
6. Mariah Carey
Mariah Carey at the Museum of American Art Gala in 2007 and at New Year's Eve in 2017 (right after the clock struck midnight).
7. Katy Perry
Katy Perry at a fashion show in 2007 and at the premiere of Office Christmas Party in December 2016.
8. Taylor Swift
Taylor Swift at the Country Music Awards in 2007 and at New York Fashion Week in 2016.
9. Alicia Keys
Alicia Keys at 106 & Park in 2007 and at the Women's March on Washington in 2017.
10. Christina Aguilera
Christina Aguilera at the Grammy Awards in 2007 and at the Baby2Baby Gala in November 2016.
11. Britney Spears
Britney Spears at an opening of a club in Las Vegas in 2007 and in the "Slumber Party" music video at the end of 2016.
Ciara at TRL in 2007 and at an event in October 2016.
13. Hilary Duff
Hilary Duff at TRL in 2007 and at a Post-Golden Globes Party in 2017.
14. Kelly Clarkson
Kelly Clarkson at the 2007 Teen Choice Awards and at the CMA 2016 Country Christmas.
Fergie at the 2007 NRJ Music Awards and at Mohegan Sun October 2016.
16. Avril Lavigne
Avril Lavigne in 2007 at the EMA's and at the 2016 Pre-GRAMMY Gala.
17. Lindsay Lohan
Lindsay Lohan at the Us Weekly Hot Hollywood party in 2007 and in Florence, Italy in 2017.
Pink at the American Music Awards in 2007 and the premiere of Alice: Through The Looking Glass in 2016.
19. Gwen Stefani
Gwen Stefani at the the 2007 NRJ Music Awards and at the 2017 People's Choice Awards.