(TrendHunter.com) This new e.l.f. Cosmetics campaign is being launched for the holiday season with the help of Meghan Trainor to help consumers get ready for the holidays. The campaign features Trainor starring in a... (TrendHunter.com) This new e.l.f. Cosmetics campaign is being launched for the holiday season with the help of Meghan Trainor to help consumers get ready for the holidays. The campaign features Trainor starring in a...