Catherine Zeta-Jones wished her mom Pat a happy birthday as fans flocked to the comments to share how "beautiful" the duo are."Wishing a very happy birthday to my Mam! Sending all of my love to you today," shared the Welsh actress on Instagram.The picture, a selfie taken by Catherine, sees the pair cuddling up to each other and both dolled up.Pat wears a bright pink jumper with a patterned scarf as Catherine rocks a black geometric print sheer top.SEE: Catherine Zeta-Jones and Michael Douglas'