She captioned the image: "took a wonderful cooking class in rhode island alongside the already-super-good-cook, ms.@taylorswift (sic)"
The pair often post pictures of each other on their social networking sites and the 'Royals' hitmaker recently praised her 24-year-old pal for being an "incredible role model".
She explained: "I think there are artists who are really incredible role models and that's something I admire. I feel like Taylor is a really good role model and I think that the girls who listen to her music are so devoted to her, and I think what she's saying is pretty cool. It's empowering.
"If we have the same work problems, we know each other's lives better. It's always good befriending people who do a similar thing."
Read more: The Diary with Rachel Glucina
- Bang! Showbiz