Courteney Cox and Jennifer Aniston look like twins in this epic pic

Courteney Cox and Jennifer Aniston are twinning – and we can’t tell the difference between the two!

In celebration of Jennifer’s 51st birthday, Courteney ditched her dark locks and changed into a golden blonde wig and a pair of gold-rimmed aviator spectacles, E! News reported.

Taking to Instagram to wish her Friends co-star a happy birthday, the 55-year-old shared a sweet post dedicated to her BFF.

"No matter how hard you might try... there’s only one Jennifer Aniston. Happy birthday, my dear friend @jenniferaniston! I love you," she captioned the post.

SEE THE POST HERE:

The pair have been friends for more than two decades and now that fellow co-star Matthew Perry (50) has also joined Instagram, we’re all rooting for a Friends reunion!

Taking to his newly created Insta page, Matthew shared a throwback of himself and Jen in celebration of her special day, Mirror reported.

"Happy birthday, Jenny!" he captioned the post.

(Sources: E! News, Instagram, Mirror)