Leona Lewis Sings Happy Birthday to Lion

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Earlier this week, singer Leona Lewis sang "Happy Birthday" to a rescued lion named Samson, who was turning 11 years old.
Lewis couldn't help but be tickled with joy when the African lion cuddled with the teddy bear that she had left for him in his cage.
Samson, who is loved by all the animal technicians at The Humane Society of the United States' sanctuary in California, was rescued from the exotic pet trade at three months old and has been living at the center ever since.
Check out the video clip above to see Lewis serenade a very lucky lion.
Click for more information on Samson and The Humane Society of the United States.