On Saturday, June 21, the HGTV star, 47, shared a series of throwback photos on Instagram as she celebrated her son Crew's 7th birthday. In the first shot, Gaines' four other kids — Emmie, 15 ...

Joanna Gaines celebrates her son Crew's 7th birthday with sweet throwback snaps, calling him their "beautiful boy." The HGTV star shares her five kids with husband Chip Gaines.