Mumbai: Actor Sonam Kapoor on Saturday shared a photo with her favourite actor Rani Mukerji to mark their 20-year-long friendship. Taking to Instagram, Mom-to-be Sonam posted a couple of photos with ‘Bunty Aur Babli’ actor and wrote, “A friendship that’s lasted 20 years. Love you Rani. Also belated happy birthday to my favourite actress.” In the photos, Sonam is dressed in a white top styled with braided bun and Rani can be seen wearing a blue satin top. Rani celebrated her birthday on March 21, on the same day, Sonam and her husband Anand Ahuja announced Sonam’s pregnancy. She shared the news along with few photos in which she could be seen cradling her baby bump while lying on the couch with her husband.