PDA alert! In these pictures of pop stars kissing, you'll see celebs getting their smooch on with everyone from their significant others to their good friends.. oh, and there are some awkward ex shots in here, as well.

Below, you can check out photos of singers like Justin Bieber and Selena Gomez kissing. That is one couple in love! There are also snapshots of Big Time Rush member Carlos Pena smooching his lady love, actress Alexa Vega, as well as fellow boy banders Harry Styles and Zayn Malik (of One Direction) giving a loving peck on the cheek. Scroll through these photos of pop stars kissing, and let us know who you think looks like the best smoocher!

Justin Bieber + Selena Gomez Kissing

Jason Merritt, Getty Images / PacificCoastNews.com

Beyonce + Jay-Z Kissing


Rihanna + Chris Brown Kissing


Karrueche Tran + Chris Brown Kissing


Harry Styles + Zayn Malik of One Direction Kissing


Harry Styles of One Direction + Taylor Swift Kissing

Twitter (2)

Pink + Carey Hart Kissing

Frederick M. Brown, Getty Images

Justin Timberlake + Jessica Biel Kissing

Harry How / Noel Vasquez, Getty Images

Max George + Tom Parker of the Wanted Kissing


Calvin Harris + Ellie Goulding Kissing


Calvin Harris + Rita Ora Kissing


Miley Cyrus + Liam Hemsworth Kissing

Touchstone Pictures / PacificCoastNews.com

Jennifer Lopez + Pitbull Kissing


Shakira + Gerard Pique Kissing

Jasper Juinen, Getty Images (2)

Kanye West + Kate Upton Kissing


Lady Gaga + Taylor Kinney Kissing


Demi Lovato + Wilmer Valderrama Kissing


Carlos Pena of Big Time Rush + Alexa Vega Kissing

Instagram (2)

Christina Aguilera + Matt Rutler Kissing


Una Healy of the Saturdays + Ben Foden Kissing


Gwen Stefani + Gavin Rossdale Kissing

Kevin Winter / Frank Micelotta, Getty Images

Wiz Khalifa + Amber Rose Kissing

Jason Merritt, Getty Images (2)

Nick Lachey + Vanessa Minnillo Kissing


Mariah Carey Nick Cannon Kissing

Noel Vasquez / Pascal Le Segretain, Getty Images

Nicki Minaj + Nas Kissing


Nicki Minaj + Lil Wayne Kissing

Ronald Martinez, Getty Images

Britney Spears + Rihanna Kissing

Ethan Miller, Getty Images

Madonna + Brahim Zaibat Kissing


Madonna Kissing Britney Spears, Nicki Minaj + Christina Aguilera

Frank Micelotta, Getty Images / YouTube / Scott Gries, Getty Images