Katrina Kaif's sister Isabelle Kaif is extremely happy as she gained a brother in Vicky Kaushal. Taking to Instagram, Isabelle penned a heartfelt post for Vicky.

"Yesterday I gained a brother. Welcome to our crazy family! We couldn't be luckier to have you! Wishing you guys all the love and happiness in the world for ever and ever and ever @katrinakaif @vickykaushal09," she wrote. Vicky and Katrina got married on December 9 at Six Senses Fort Barwara, Rajasthan. Their wedding ceremony was conducted according to Hindu rituals in the presence of close family members and friends.