Justin Timberlake  turns 33 today, and we're celebrating the milestone by looking back at his many moments with female admirers over the years. He's been lucky enough to date some of Hollywood's most beautiful women, like Cameron Diaz , Britney Spears , and, of course, his now-wife, Jessica Biel . Actor, musician, dancer, philanthropist, and entrepreneur Justin has also worked alongside lovely gals in music and film, including Beyoncé Knowles , Amanda Seyfried , and Mila Kunis . Keep reading to see sweet, sexy photos of the birthday boy living it up with his ladies!
Justin and his wife, Jessica Biel , were all smiles at the Time 100 Gala in April 2013.
Justin posed with his Friends With Benefits costar, Mila Kunis , at the film's NYC premiere in July 2011.
Justin got up close and personal with Gisele Bündchen  as he performed at the Victoria's Secret Fashion Show in November 2006.
He posed with Mariah Carey  at the Rock and Roll Hall of Fame ceremony in March 2005.
Justin met up with Taylor Swift  during the American Music Awards in November 2013.
He and Amy Adams  posed together at the afterparty for their film, Trouble With the Curve, in September 2012.
Justin was in deep conversation with Amy Poehler  at the Producers Guild Awards in January 2011.
Justin and then-girlfriend Britney Spears  arrived together for Clive Davis's February 2002 pre-Grammy party.
He presented an award with Tina Fey  on stage at the Emmys in September 2009.
Justin handed Anne Hathaway  her trophy for best supporting actress at the SAG Awards in January.
Justin and Keri Russell  had similar hairstyles at the August 2000 Teen Choice Awards in LA.
In July 2002, Alicia Keys  joined Justin and the guys of *NSYNC to present an award at the American Music Awards.
Beyoncé leaned on Justin during their September 2008 Fashion Rocks performance at NYC's Radio City Music Hall.
Ellen DeGeneres  served as Justin's date to the People's Choice Awards in January 2014.
Justin and Jennifer Lopez  were together in November 2002 for MTV's TRL.
Justin brought his mom, Lynn Harless, as his lovely date to the SAG Awards in February 2011.
Justin posed with Pink at the 2002 VMAs.
Justin and Mary J. Blige practically matched outfits at the Grammy Awards nominations in 2008.
Justin met up with his fellow Mouseketeer Christina Aguilera  during the August 2003 MTV VMAs in NYC.
He joked around with Mandy Moore  on an episode of TRL in October 2003.
Justin posed for a photo with Jennifer Lawrence  and Bradley Cooper  backstage at the SAG Awards in January 2013.
Justin and Anna Wintour attended the June 2009 CFDA Fashion Awards in NYC together.
He and Carey Mulligan  cracked each other up on the red carpet at the Cannes Film Festival premiere of Inside Llewyn Davis in May 2013.
McDonald's ambassadors Justin and Ashanti paired up to announce the "I'm Loving It" campaign in June 2004.
He hit the red carpet with his In Time costar Amanda Seyfried  at the film's UK premiere in October 2011.
Justin performed with Janet Jackson  in February 2004 during their now-infamous Super Bowl half-time show in Houston, TX.
He and ex-girlfriend Cameron Diaz  were all laughs at the premiere of Bad Teacher in June 2011.
Madonna  and Justin performed "Four Minutes" in NYC during her April 2008 Hard Candy tour.
Avril Lavigne  and Justin were on hand for a November 2002 People magazine event in NYC.
Liv Tyler  posed with a bespectacled Justin backstage at the Givenchy fashion show in 2010.
Fergie  and Justin harmonized during a February 2005 charity concert to benefit tsunami relief in LA.
Justin he was a lucky man standing next to Halle Berry  during his November 2002 TRL performance.
Justin, looking dapper in a bow tie, posed with Nicole Scherzinger at GQ's Men of the Year party in 2011.
He stopped to support Christina Applegate  during her November 2005 Broadway production, Sweet Charity.
Kate Bosworth  got a hug from Justin while backstage during LA's June 2006 MTV Movie Awards.
Emmanuelle Chriqui  had Justin in stitches on Miami Beach during *NSYNC's charity event in July 2003.
He snapped a photo with Ciara at Timbaland's April 2010 birthday bash in LA.
Eva Mendes  was in good company with Justin to present the June 2006 MTV Movie Award for best kiss.
He posed backstage with Bar Refaeli  at New York Fashion Week in 2009.
Justin had fun with Vanessa Minnilllo while visiting TRL in September 2006.
Justin Timberlake  gave Kylie Minogue  a little squeeze while performing together at the 2003 Brit Awards.
Justin joined up with Gwen Stefani  (and Fred Durst) in October 2001 while shooting a video in LA for their song "What's Going On," which benefited AIDS charities worldwide.
He and Christina Ricci  teamed up at the 2007 Sundance Film Festival to premiere their film, Black Snake Moan.
Looking hot in glasses and a beanie, Justin posed with Leona Lewis at her album release party in 2009.
Justin and Olivia Wilde  stopped for photos at the Hollywood premiere of Alpha Dog in 2007.
He and Kate Hudson  teamed up to present an award at the 2010 SAG Awards in LA.
Justin Timberlake  joined Diane Kruger  to announce the 2011 Golden Globe nominations in LA.