Makeup by Mario is going bigger on content — and doing so in partnership with Sephora . The makeup brand founded by Mario Dedivanovic is leveraging its founder for a new shared content series with Sephora , called “Mario’s Beauty Booth,” which will debut on TikTok in episodes revealed every Monday and Thursday from May 18 to June 8. Dedivanovic, who is also the brand’s chief executive officer, will star in the series and bring along guests such as creators like Stephanie Valentine and Erica Taylor, brand founders Danessa Myricks and Sofie Pavitt and more. Related Articles The collaboration comes at an interesting time for the brand, which despite tepid sales in prestige makeup more broadly in the U.S., “we are doing incredibly. Globally, we are in the top 10, and in the U.S., we are firmly in the top five ,” Dedivanovic said of the brand. “There are many things working, like the strength across multiple categories.…