It is Mother's Day today, a celebration of the endless sacrifices, strength and wisdom of mothers. Across the world, people are showering love on the women who shaped their lives, and Bollywood celebrities are doing the same by sharing heartfelt tributes and precious memories with their mothers on social media. Kareena Kapoor Khan marked Mother's Day with a mix of emotion and humour on social media. The actress first shared a video of a woman talking about how sons become some of the most important people in a woman's life.