Talk about a cute Bey-Bey! Late Monday night, Tina Knowles took to Instagram to mark daughter Beyoncé's 37th birthday (which was on Tuesday) with a super-cute baby pic. "Happy birthday to the nicest, owner of the most beautiful, generous, loving hearts ever!!!!" Knowles wrote alongside the snap. "Brilliant too! Always thinking, planning, analyzing, strategizing, how you can make everything you touch better!" She added about the photo, "On this day, you were 4 months old and I couldn’t even control the excitement and pride and the all encompassing love I felt for you...The day that you and your sister entered this world were the two best days of my life, hands down!! It is a privilege to have carried you two in this body. Enjoy your B-Day!!! No one deserves it more!!"