Taylor Swift’s cat is said to be richer than her boyfriend. The ‘Bad Blood’ singer, 34, has been dating NFL star Travis Kelce, also 34, since last year, and he’s got a net worth of $40 million. A Forbes-style list of the world’s wealthiest pets compiled by the website AllAboutCats.com claims Taylor’s cat Olivia Benson, who the singer adopted in 2014, has around double his fortune – and is one of the world’s richest felines, with an estimated net worth of $97 million. The outlet says the cat “earned her fortune starring alongside her owner in several music videos”. Named after Mariska Hargitay’…