But we've got to give them some credit for the effort...

On a trip to Amsterdam, London-based designer Olly Gibbs visited the Rijksmuseum and took photos of the sad looking individuals in the portraits using his FaceApp-enabled smartphone that can put a smile on just about any frowning face. The miserable faces became instantly entertaining adding some charm to the classical art collection.

Casey Elise gets to do that job every day in Los Angeles and luckily for the rest of us, she posts some of her best snaps on Instagram.

Zoo Portraits is the creative project developed by Yago Partal, a photographer and producer in Barcelona.

Konsta Punkka is a Nature and Lifestyle Photographer from Finland who has over 750,000 followers on Instagram. It's easy to see why; his photos are stunning. We're particularly fond of the animal portraits, though. Check out some of our favorites below.

Chanel and Stevo have traveled to dozens of countries taking beautiful photos of landscapes and skylines, but some of their best work can be found in these funny animal mugshots. You can find out more about them by clicking here.