The two make out in the ocean in St. Barts.
The two appear to pay homage to a cult film during their St. Barts vacay.
Valderrama snuck a sleeping selfie of his gorgeous girlfriend.
The Yo Mamma alum and former Camp Rock star first got together back in 2010 and have been on-and-off since then, but it seems the couple is still going strong.
Because they're in love! The 35-year-old actor joined his leading lady on set of her music video "Really Don't Care"! How cute is this pic?
Lovato posted this adorable collage on Valderrama's birthday. The pic shows the two lovebirds just being themselves making different faces with each other.
The "Heart Attack" singer is snapped eating a turkey leg while at Disneyland with her boyfriend. The singer decided to go to Disneyland instead of attending the 2013 VMAs.
The 22-year-old singer held her first annual Lovato Scholarship fundraiser and expressed to fans she was sad her beau couldn't make it the event. However, that's when Valderrama stepped in and surprised Lovato! They even shared a kiss on stage.
The songstress uploaded this pic to her Instagram on the day that marked her being three years sober. She went on to gush about how her beau helped her overcome tough times and how he always supported her in her recovery process.
It's a snuggle fest with Valderrama, Lovato and her puppy! The That '70s Show alum lays on Lovato while sleeping. This Twitpic sparked engagement rumors last year, but it looks like we'll just have to wait a little longer for those rumors to be true.
The young couple took a quick family photo with Lovato's dog before they jetted off to Dallas for Christimas.
The duo share a picture of themselves in casual attire with Valderrama giving Lovato a kiss on the cheeck. Aw!
Guess you can't take the Disney out of the girl. The happy couple take Disneyland for Lovato's 22nd birthday! The songstress is dressed in Mickey attire while her man reps a Mickey Mouse shirt.
The pair are photographed together kissing in this intimate pic.
The couple treat themselves to Halloween festivities at Knott's Berry Farm's Halloween Hunt. The pair are pictured walking alongside each other hand-in-hand.
PHOTOS: See celeb couples in love!