Ireland Baldwin's "Chainsaw Massacre" period is not one the model wished to revisit this weekend – even if she did mention it in her caption. The 24-year-old daughter to Alec Baldwin and Kim Basinger updated her Instagram on Saturday night with two very eye-catching and rather revealing roadside snaps complete with an announcement. Ireland is fronting Shop Proof sanitary wear, with her post showing her pumped to be working with "such a bad-ss brand." Ireland, no stranger to period talk, having made headlines for her "period bloat" video, got candid. Check it out below.