Sign up for the Socialite Life newsletter. A three-time weekly dose of divas, drag queens, hot male celebrities, models, & pop culture news. Get it in your inbox. According to new Forbes numbers, Taylor Swift has joined the list of some of the world’s richest people. The 34-year-old pop music sensation, who reached billionaire status in October thanks to the worldwide success of The Eras Tour and its concert film, entered the Forbes World’s Billionaires List for the first time this week. According to Forbes, Swift grew an estimated $1.1 billion fortune, based on earnings from her tour, her mus…