Christie Brinkley had double celebrations over the weekend – Independence Day and her youngest daughter's 23rd birthday!MORE: Christie Brinkley's luxurious swimming pool is a slice of heavenThe model took to Instagram on Sunday to mark Sailor's big day – and made the very surprising confession that her "baby" daughter hates to be told that she looks like her famous mother! WATCH: Christie Brinkley floors fans with tour of immaculate gardenAlongside two pictures of herself with her three