Heather Rae Young, 35, and her husband Tarek El Moussa, 41, have shared a first look at their baby boy on Wednesday. 'We’d like to introduce Tristan Jay El Moussa to the world 6:55am 1-31-23 7lbs 7oz,' Heather - who shared an image from her hospital bed earlier this month - wrote on social media. Joyful day: Heather Rae Young, …