Hollywood PDA: Stars go public with their affection

Demi Lovato and Wilmer Valderrama

Nothing wrong with a little PDA... or a lot! Happy couple Demi Lovato and Wilmer Valderrama couldn't keep their hands off of each other as they were spotted kissing up a storm in the ocean in St. Barths on Dec. 16, 2015. 

Demi Lovato is giving those models a run for their money! The singer showed off her toned figure in a plunging black bathing suit as she enjoyed a break from filming to swim in the oceans of St. Barth's. Lovato and Nick Jonas joined a bunch of Victoria's Secret models to film an upcoming swim special packed with bikinis, babes and performances. 

 

If you're a bird ... I'm a bird! Demi Lovato and Wilmer Valderrama recreate the adorable scene from "The Notebook" as they enjoy a warm sunny day in St. Barth's on Dec. 16, 2015.

 

 

Gerard Butler and Morgan Brown

Gerard Butler can't keep his hands off of his girlfriend Morgan Brown! The "300" star was caught shamelessly grabbing his lady's rear end while enjoying some fun in the sun on the beach in Malibu on Oct. 12, 2015. Morgan showed off her perfectly toned body in a tiny bikini as she walked on the beach hand-in-hand with Gerard.

 

Kylie Jenner and Tyga

Ever since they went public with their relationship, Kylie Jenner and Tyga haven't been shy about displaying their affection for each other! The young lovers got cozy as they embraced outside the Tower Hotel in West Hollywood on Oct. 22, 2015.

 

Paris Jackson

Michael Jackson's daughter Paris appears to be happy and in love as the teen packed on the PDA with her boyfriend Chester Castellaw at a gas station in Malibu. The 17-year-old couldn't help but smile as the young couple enjoyed a relaxed night out together on Oct. 6, 2015. 

 

Rihanna and Travis Scott

While Rihanna has yet to go public with her relationship with her new boyfriend Travis Scott, the couple wasn't shy about packing on the PDA at a Paris nightclub on Oct. 1, 2015. The lovebirds, who are in town for Paris Fashion Week, couldn't keep their hand off each other as they were photographed kissing and dancing in the crowded club.

 

Sophia Bush and Jesse Lee Soffer

Could Sophia Bush be back with her ex? The actress was spotted walking hand-in-hand with her former beau and "Chicago P.D." co-star, Jesse Lee Soffer. The duo broke up a few months ago after allegedly "growing apart," but it appears that they are giving it another go. Sophia and Jesse were both dressed in casual ensembles as they pounded the pavement in New York City on Sept. 27, 2015.

 

Keira Knightley and James Righton

They may have become new parents, but Keira Knightly and her musician husband James Righton still appear to make time for each other, locking lips on-the-go as they enjoy a stroll around Soho, New York City with their four-month-old baby Edie Righton on Sept. 28, 2015.

 

Gerard Butler and Morgan Brown

Gerard Butler couldn't keep his hands off his girlfriend Morgan Brown as he put on a cheeky public display of affection on the beach in Malibu, California. 45-year-old Butler, who started dating his interior designer girlfriend over a year ago, was no doubt impressed by his lady's fabulous figure as she stripped down to her bikini and short wrap on Oct. 10, 2015. 

 

Amber Heard and Johnny Depp

While he may play the role of gangster Whitey Bulger in his new crime drama "Black Mass," it appears Johnny Depp is a true romantic at heart as he packed on the PDA with his wife Amber Heard on the red carpet at the Toronto International Film Festival on Sept. 14, 2015.