Demi Lovato is getting cool for the summer ... Lovato showed off a significantly shorter bob and a lighter hair color ahead ...

The "Heart Attack" singer has debuted a chic honey brown-dyed, flipped bob, days after she sported a longer, lob hairstyle in her signature dark brunette color at the Baby2Baby Mother's Day ...

Demi Lovato and her fiancé ... In his various social media pics and videos, Jute$ has donned blonde, red, and pink hair. He also likes to wear a lot of different types of hats, including trucker ...