Christina Aguilera nails Britney Spears impression while singing 'This Little Piggy' (VIDEO)

LOS ANGELES -- Pop singer Christina Aguilera certainly has no shortage of talent. But who knew she was also good at impressions?

Aguilera performed impressions -- including a dead on ringer for fellow pop star Britney Spears -- recently on 'The Tonight Show with Jimmy Fallon.'

Check out the video above.