Beyoncé, born on March 8, weighed a single ounce and could fit on to a teaspoon at birth. Now a few weeks old, she is roughly the size of a credit card and can fit comfortably in a coffee mug.
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Beyoncé could be crowned the world's tiniest dog as an application has been sent to Guinness World Records.
The animal, who is staying at a canine rescue centre after being born to an abandoned rescue dog, has attracted hundreds of requests to adopt her.
Beyoncé's caretakers have stated that she is not up for adoption yet, but they will revisit the possibility when she is stronger.