This baby girl was NOT impressed when her older sister tried to get a forkful of her birthday cake during her birthday party. She shot her a dirty look that is one for the ages!
Hilarious footage filmed by Cindy Cornell shows her daughter Riley, who was celebrating her first birthday at their home in Morley, Michigan, giving her teenage sister a full-on death stare when she went to take a piece of her watermelon-themed cake.
Check out the video below! We've all been there, haven't we???