Mumbai, March 3 -- Actor Kajol posted an adorable birthday wish on social media for her sister, actor Tanishaa Mukerji.

On Monday, Kajol posted a picture of the birthday girl on Instagram. She looked stunning in a yellow outfit.

"Another year older but let's agree to stay the same age forever .. 10 and 6! Wish u the mostest and the bestest forever ......", she captioned the post.

https://www.instagram.com/p/DGu7-6UiCm-/

Tanishaa's brother-in-law and actor Ajay Devgn also showered birthday love by sharing a selfie of Tanishaa on his Instagram Story and wrote, "May you always keep spreading your love and light wherever you go! Have the best birthday! @tanishaamukerji."

Kajol and Tanishaa are daughters of Bollywood's renowned actor Shom...