Brooke Shields marks model daughter's 18th birthday

The Suddenly Susan star proved she is one proud mum as she celebrated her youngest daughter's birthday on Instagram. "My baby girl is 18. I love being your mom and seeing the wonderful woman you're growing into.. Happy golden birthday, Grier! I love you!" Shields posted a nostalgic montage of photos of herself with her daughter spanning the years. The star shares Grier, along with older daughter Rowan, 20, with her husband, film director and producer Chris Henchy. Shields wed Henchy in 2001 and the pair welcomed Grier Hammond Henchy on 18 April 2006.