Donna Karan’s red carpet looks

Lizzy Caplan arriving at the 2014 Emmy Awards at L.A. Live.

(Wally Skalij / Los Angeles Times)

June 30, 2015 4:35 PM PT

Matthew McConaughey and wife Camila Alves, wearing a Donna Karan gown, arrive at the Screen Actors Guild Awards on Jan. 25, 2015.

(Wally Skalij / Los Angeles Times)

Lizzy Caplan attends the “China: Through The Looking Glass” Costume Institute Benefit Gala at the Metropolitan Museum of Art in May.

(Dimitrios Kambouris / Getty Images)

Singer Rita Ora at the 2015 Vanity Fair Oscar Party.

(Pascal Le Segretain / Getty Images)

Jane Fonda attends the 2015 White House Correspondents’ Assn. dinner.

(Michael Loccisano / Getty Images)

Viola Davis at the 2015 Golden Globe Awards.

(Jay L. Clendenin / Los Angeles Times)

Diane Kruger with boyfriend Joshua Jackson at the 2015 Vanity Fair Oscar Party.

(Evan Agostini / Invision / AP)

Sofia Vergara at the 2015 Screen Actors Guild Awards.

(Al Seib / Los Angeles Times)

Casper Smart and Jennifer Lopez at the 2014 Billboard Music Awards.

(John Shearer / Invision / Associated Press)