Bruno Mars and his girlfriend Jessica Caban were spotted on a Hawaiian vacation together dressed in leis! Jessica Caban posted a sexy bikini photo to her Instagram. Check it out above!

According to GossipCenter, Bruno Mars and his girlfriend Jessica Caban were spotted in Honolulu, Hawaii on Thursday, April 17. The "Treasure" singer and his gorgeous girl went shopping in his hometown while wearing colorful leis around their necks prior to Mars' three-night residency at the Blaise Dale Arena. See photos here!

Jessica Caban posted a sexy bikini photo to her Instagram, featuring her in the ocean wearing sunglasses and flowers in her hair.

Mars, 28, has been dating model Jessica Caban, 31, since 2011. According to Wetpaint, Caban modeled for Steve Madden, starred in the 2010 film "Are You For Great Sex," was a runner-up in the JLO Model Search back in 2002 for her then-new clothing line, and landed herself a page in YM. Caban also became the first-ever winner of the competition show Model Latina on NuvoTV in 2008.

Mars has previously dated gorgeous ladies like Rita Ora, Chanel Malvar, and Amelle Berrabah.

Bruno Mars and his girlfriend Jessica Caban were last spotted together enjoying an Italian dinner on an early Valentine's Day date in February.

"He treated her to a low-key date at Mulberry Street Pizza of Beverly Hills on Feb. 10," an eyewitness told Life & Style.

"He took the lead in ordering and requested a mushroom and pepper pie - he even bought a bottle of the restaurant's hot oil, so he could pour it on his own pizza at home!"

The source claims that Bruno Mars and his girlfriend Jessica Caban looked loved-up on the romantic date.

"They looked so happy and adorable together," the onlooker revealed. "They make such a cute couple.

"Despite all of his success, he's still so down-to-earth!"