Talk about a candid photo! 

Jordin Sparks shared a cute pic with boyfriend Jason Derulo over the weekend, which showed the R&B singers spending some quality time in bed.

"This is the end result face that happens when I'm trying to get @jasonderulo to smile! It took an hour!! Lmao! #talksmilestome #smilingismyfavorite," she captioned the Instagram snap. 

The R&B crooner rarely cracks a smile in pictures, but we think it's great that his lady love got him to show off those pearly whites. 

The "Marry Me" singer also posted the picture on his Twitter page. "I'm not in2 smiling 4 pics all the time but jordinsparks cracked jokes 4 an hr 2 get this pic lol…" he posted with the shot. 

We love seeing these two together -- think they will tie the knot soon? Sound off below and click "Launch Gallery" above to see even more sexy stars! 

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