Rockstar Post Malone Feat. 21 Savage Download 'Rockstar' on iTunes
The Saturdays have said that they would 'love' to collaborate with Bruno Mars.
Speaking exclusively to Capital FM, Una told us: 'We'd love that.'
Mollie added: 'We'd love to just look at him! He could serenade us.'
Asked about his Elvis quiff, Rochelle said: 'He can pull anything off.'
Una added: 'He can even pull off his cheesy songs!'