PHOTOS: New Year's Eve: Celebs Kissing At Midnight

One of the most time-honored New Year’s traditions is giving a kiss at midnight. It’s a token of goodwill, kicking off the era with a gesture of affection. Over the years, some of our favorite stars have been snapped sharing smooches as the clock struck midnight. Check out some of the sweetest pics below!

1. Ryan Seacrest and Christina AguileraRyan Seacrest gave Christina Aguilera an innocent peck on the cheek.

2. Fergie and Josh Duhamel

Back in 2009, Fergie and her then-husband Josh Duhamel shared a romantic smooch at midnight.

3. Fergie and Josh DuhamelFergie and Josh are repeat offenders! Here they are pictured sharing a kiss the year before, in 2008.

4. Heidi Montag and Spencer PrattHeidi Montag and Spencer Pratt kissed for the cameras.

5. Mariah Carey and Nick CannonNot only did Mariah Carey rock an amazing silver mini-dress, but she also kissed her then-husband Nick Cannon.

6. Nick Lachey and Vanessa MinnilloHow cute are Nick Lachey and Vanessa Minnillo?

7. Bill and Giuliana RancicBill and Giuliana Rancic brought the drama with this old Hollywood-style smooch.

8. Jionni Lavalle and SnookiSnooki planted one on the cheek of Jionni LaValle.

9. Gabrielle Union and Dwayne WadeGabrielle Union gave now-husband Dwayne Wade a sweet smooch on the cheek.

10. Lady Gaga and The BallAnother repeat offender! Lady Gaga kissed a replica of the Times Square Ball.

11. Lady Gaga and Diana TaylorShe also kissed Diana Taylor.

12. Mayor Bloomberg and Lady Gaga… And then-mayor Michael Bloomberg.

13. Scott Disick and Kourtney KardashianScott Disick and Kourtney Kardashian were spotted locking lips.

14. Ryan Press and Brandy NorwoodBrandy was photographed kissing the cheek of her then-boyfriend, Ryan Press.

15. Mario Lopez and Courtney MazzaMario Lopez kissed his wife Courtney as the clock struck midnight.

16. Kanye West and Kim KardashianKim Kardashian and Kanye West shared a sweet moment while confetti rained down everywhere.

17. Kat Graham and Cottrell GuidryKat Graham smooched then-fiance Cottrell Guidry in the midst of a confetti shower.

18. Donnie Wahlberg and Jenny McCarthyJenny McCarthy rang in the new year by kissing her love, Donnie Wahlberg.

Photos: Getty Images