Love is in the air! Marc Jacobs and porn star beau Harry Louis

He's been busy as Diet Coke's new creative director after unveiling his first can design in March.

So Marc Jacobs is making sure he takes full advantage of his well-deserved vacation with boyfriend Harry Louis.

The couple were seen showing off their chiseled physiques in skimpy swimshorts as they kissed, held hands and frolicked in the ocean together on Ipanema Beach on Sunday in Rio de Janeiro, Brazil.

Hands on: Marc Jacobs enjoyed a romantic day at the beach with his boyfriend Harry Louis in Rio de Janeiro on Sunday

The fashion designer and his porn star beau were seen lounging on their sunbeds with a female friend, drinking fresh coconut water as they soaked up the sun.
Marc, 49, wore a tiny black swimsuit while Harry, 25, who has already made a name for himself in the adult movie industry, donned heart-patterned shorts that left little to the imagination.

Taking a dip: The pair were seen laughing together as they cooled off in the water

Sneaking a kiss: Harry leaned in an nuzzled Marc's neck after their swim

Not now: Marc was seen holding his partner's hands away from him, perhaps a bit shy of Harry's public affections

Both men sported incredible muscular physiques as they shared a lingering kiss on the sand, before taking a dip together in the ocean.
The pair clearly couldn't keep their hands off each other, holding hands and kissing as they enjoyed their day in the sun.

At one point, the affection even appeared to get too much for Marc as he seemed to gently be pushing his lover away when he tried to kiss his neck.

But there were no hard feelings as Marc, clearly impressed by his boyfriend's impeccable body, snapped photos of the hunk as he stood in a series of different poses. 

Keeping sun safe: Marc slathered sunscreen on himself while Harry typed on his cellphone

Soaking up the sun: The couple lounged on their sunbeds with a female friend, sipping on fresh coconut water as they enjoyed the sunny day  

Lean in close: Harry kneeled next to his boyfriend, perhaps to steal another kiss

Marc was also seen lathering on sunscreen to make sure there was no sunburn marks at the end of the day as Harry appeared occupied with his cellphone.

The pair were likely taking the holiday to see in Marc's 50th birthday, which falls on April 9.

After their amorous sunbathing session, Marc donned a V-neck black T-shirt and baggy trousers, while Harry barely covered up in a skimpy blue tank top, opting to leave the beach in just his swimshorts.

Proud boyfriend: Marc was clearly impressed by his partner's physique, snapping photos as he posed

Strike a pose: Harry was clearly enjoying the attention as he held a series of poses while his boyfriend and friend took snaps of him

Say cheese: The trio huddled close as Harry took a picture of them sitting on their sunbeds

Harry is clearly smitten with his famous boyfriend, tweeting a series of messages and pictures of Marc in quick succession on Sunday.

In one tweet, which shows Marc in a pool, Harry wrote: 'Hot, beautiful, and just too sexy for one single pic!!! I love my baby!!!!'
In another tweet he wrote, 'Sunny and hot!!! With my baby next to me, even hotter!!!!'

Packing up: Harry showed off his buff body as he donned a vest as the two got ready to leave the beach

Heading home: While Marc donned a pair of trousers, Harry opted to talk home wearing just his speedo and a skimpy blue tank top

Staying close: The couple continued to show their affection by holding hands as the made their way back to their hotel 

Enjoying the attention: Harry appeared thrilled at the attention the pair were attracting, which Marc seemed eager to get back to their hotel

The pair have been dating for a little over a year after Marc split from his handsome Brazilian ex-model boyfriend Lorenzo Martone in 2010.

Initially, the couple refused to confirm or deny reports that they were dating.

According to Brazilian gossip site GPSBrasilia, Marc met his youthful and exotic-looking partner in London, where Louis is now based.