Does Catherine Siera have a lot of car shots on her Instagram feed? No, no she doesn't. But she was in Import Tuner mag and that qualifies her as an import model for life. She's now a lead for Herbalife, and her Instagram is just as hot as ever. A selfie pro, Siera's feed has twerking, booty shots, plenty of bikini photos, and even a pretty hot sister, too. So, yeah, you should probably click ahead and check out the best of the best.