“As a new mom-to-be these things give me flutters in the best way but it’s also nerve racking,” Heather Rae El Moussa wrote of her ultrasound appointment Heather Rae El Moussa is celebrating a special pregnancy milestone! The Selling Sunset star, 34, shared the “first ‘glimpse’ of [her] baby boy” with husband Tarek El Moussa to Instagram Tuesday night, posting …