Now and Then: 45 Celebrities' First Red Carpet Moments

Blake LivelyNow: At The Age of Adaline premiereThen: At the Kids' Choice Awards in 2005

Reese WitherspoonNow: At the Met GalaThen: At The Man in the Moon premiere in 1991

RihannaNow: At the Met GalaThen: At the Teen People Listening Lounge event in 2005

Rachel WeiszNow: At the Cannes Film FestivalThen: At the premiere of Swept From the Sea in 1997

Rooney MaraNow: At the Cannes Film FestivalThen: At the Kenneth Cole Black & Gen Art party in 2009

Selena GomezNow: At the Louis Vuitton 2016 Cruise Collection showThen: At the Shrek the Third Los Angeles premiere in 2007

Shailene WoodleyNow: At the MTV Movie AwardsThen: At the American Girl Store opening in 2006

Sienna MillerNow: At the Cannes Film FestivalThen: At the Launch Party For Alexander McQueen's New London Store in 2003

Sofia VergaraNow: At her Hollywood Walk of Fame star honoringThen: At the 14th Annual American Comedy Awards in 2000

Taylor SwiftNow: At the Billboard Music AwardsThen: At the 2006 CMT Music Awards

Victoria BeckhamNow: At a private viewing for Alexander McQueen: Savage Beauty exhibit in LondonThen: With the Spice Girls at the 1997 MTV Video Music Awards

Zoe SaldanaNow: At the Samsung launch of the Galaxy S 6 and Galaxy S 6 Edge eventThen: At the Center Stage premiere in 2000

Emily BluntNow: At the Cannes Film FestivalThen: At the 2004 British Independent Film Awards

Emma StoneNow: At the London premiere of AlohaThen: At a Replay Brand party in 2006

Emma WatsonNow: At the Time 100 GalaThen: At the Harry Potter and the Philosopher's Stone premiere in 2001

Emma WatsonNow: At the Time 100 GalaThen: At the Harry Potter and the Philosopher's Stone premiere in 2001

Gigi HadidNow: At Maybelline New York's 100th Anniversary celebrationThen: At the Heart Foundation Gala in 2012

Gwyneth PaltrowNow: At the Barneys New York Victoria Beckham Collection dinnerThen: At the Flesh & Bone premiere in 1993

Jane FondaNow: At the Cannes Film FestivalThen: At the premiere of The Game is Over in 1966

Jennifer AnistonNow: At the Vanity Fair Oscars after partyThen: At a 1995 red carpet event

Jennifer LawrenceNow: At the Met GalaThen: At the 15th Annual Movieguide Faith and Values Awards in 2007

Jennifer LopezNow: At the Billboard Music AwardsThen: At a red carpet event in the '90s

Julianne MooreNow: At the Cannes Film FestivalThen: At the Us Magazine and E! Entertainment Breakthrough Awards in 1995

Karlie KlossNow: At the Cannes Film FestivalThen: At the 20th Anniversary of Next Models in 2009.

Kendall and Kylie JennerNow: Kendall at the Cannes Film Festival and Kylie at the Billboard Music AwardsThen: With their parents at Emperor's New Groove premiere in 2000.

Kerry WashingtonNow: At the Disney Media upfrontsThen: At the 2001 Teen Choice Awards

Kim KardashianNow: At the Met GalaThen: At E! Entertainment Television's 2005 Summer Splash event

Zoe KravitzNow: At the Cannes Film FestivalThen: With her dad at the 42nd Annual Grammy Awards in 2000

Kristen StewartNow: At the Chanel 2015-16 Cruise Collection showThen: At the Panic Room premiere in 2002

Lady GagaNow: At the Met GalaThen: At the 2008 NewNowNext Awards

Meryl StreepNow: At an India's Daughter New York screeningThen: At the 1980 BAFTA Awards

Michelle RodriguezNow: At the Cannes Film FestivalThen: At the Latin Grammy Awards in 2000

Mindy KalingNow: At the Cannes Film FestivalThen: At The 40-Year-Old Virgin premiere in 2005

Naomi WattsNow: At the Cannes Film FestivalThen: At the Under Suspicion premiere in 2000

Natalie PortmanNow: At the Cannes Film FestivalThen: At the Mars Attack Hollywood premiere in 1996

Paris HiltonNow: At the Cannes Film FestivalThen: At a red carpet event in the '90s

Amy PoehlerNow: At the Cannes Film FestivalThen: At the NBC 75th Anniversary celebration in 2002

Angelina JolieNow: At the Critics' Choice Movie AwardsThen: With her dad at the 58th Annual Academy Awards in 1986

Anna KendrickNow: At the Pitch Perfect 2 Los Angeles premiereThen: At the 52nd Annual Tony Awards in1998

Anne HathawayNow: At the Met GalaThen: At the Fox TV Up Front celebration in 1999

BeyonceNow: At the Met GalaThen: At the 12th Annual Soul Train Music Awards in 1998

Cara DelevingneNow: At the Cannes Film FestivalThen: At the London premiere of Remember Me in 2010

Cate BlanchettNow: At the Cannes Film FestivalThen: At the premiere of Oscar And Lucinda in 1997

Charlize TheronNow: At the Cannes Film FestivalThen: At the Two Days in the Valley premiere in 1996

Dakota JohnsonNow: At the Met GalaThen: At the 23rd Annual People's Choice Awards in 1997