Selena Gomez and her mom, Mandy Teefey, are being sued for allegedly duping investors of their mental health company, Wondermind. Two companies, Wondermind SRS 44 LLC and Bespoke Wondermind LLC, filed a lawsuit in federal court in Delaware on Thursday against Wondermind Global, Gomez, Teefey and their former business partner, Daniella Pierson, according to court documents obtained by Page Six. In the suit, the companies claimed they invested $1.2 million in Wondermind in September 2022, but the defendants “falsely represented” that Wondermind “had the infrastructure, leadership, and resources necessary for the company to launch into a…