Celebrity Style

The singer designed three limited edition looks to support her best friend's swim line.

The actress also shares the fast fashion brand she used to pretend was vintage.

20 years later, the singer shares the origin of the most talked about red carpet gown in history.

The star was the first-ever cover girl for the Love and Weddings issue.

Wallets at the ready.

Was it Nicky Hilton, Sophia Bush, Sarah Michelle Gellar, Jessica Biel, or Olivia Wilde?

Was it Kate Middleton, Jessica Alba, Gwen Stefani, Chrissy Teigen, or Nina Dobrev?

Was it Kerry Washington, Lady Gaga, Lena Headey, Emma Roberts, or Viola Davis?

Was it Rita Ora, Olivia Wilde, Lily Aldridge, Heidi Klum, or Gwyneth Paltrow?

Was it Karolina Kurkova, Rosie Huntington-Whiteley, Fergie, Kylie Jenner, or Tinashe?

Was it Alison Brie, Jaime King, Gabrielle Union, Laverne Cox, or Julianne Moore?

Was it Lauren Conrad, Alessandra Ambrosio, Jordana Brewster, Emma Watson, or Mimi Elashiri?

Was it Dakota Johnson, Diane Kruger, Elizabeth Banks, Alessandra Ambrosio, or Zhang Yan?

Was it Dakota Johnson, Diane Kruger, Elizabeth Banks, Alessandra Ambrosio, or Zhang Yan?

Was it Ali Larter, Alison Brie, Kirsten Dunst, Lake Bell or Alice Eve?

Was it Gwen Stefani, Maria Menounos, Nina Dobrev, Taylor Swift or Emmy Rossum?

Was it Vanessa Hudgens, Paula Abdul, Carly Rae Jepsen, Jennifer Aniston, or Rachel Zoe?

From flares to floppy hats, '70s style has made a major comeback; and we're taking cues from the fashion icons who defined the decade.

Was it Britney Spears, Bella Thorne, Emma Roberts, Victoria Justice, or Zendaya Coleman?

Was it Laura Prepon, Camila Alves, Nina Dobrev, Jaimie Alexander, or Sara Sampaio?

Was it Chrissy Teigen, Kate Mara, Gigi Hadid, Tyra Banks, or Kerry Washington?

Was it Nicole Scherzinger, Rosario Dawson, Sophia Bush, Victoria Beckham, or Gigi Hadid?

Was it Jennifer Hudson, Jamie Chung, Amy Poehler, Eva Longoria, or Nicole Richie?

Was it Elle Fanning, Kylie Jenner, Ashley Benson, Rachel Bilson, or Selma Blair?