The 'MmmYeah' hitmaker has voiced his support for the 'Come & Get It' singer, who has recently attracted criticism for reuniting with her on/off boyfriend Justin Bieber, following her brief stint in rehab in January to ''clear her head.''
Asked if he had spoken to the brunette beauty, whom he was previously rumoured to have romanced, the 17-year-old star exclusively told BANG Showbiz: ''Not recently.''
But he added: ''She's real cool, she's real sweet, real nice. We're friends and she's always there for me too.''
The duo were introduced to each other through their mutual friend Taylor Swift and were last spotted together at the Beats Music concert in Los Angeles in January, shortly after Selena left her treatment facility.
Sources previously indicated that many of the 'Spring Breakers' star's are unhappy that she had reunited with Justin, whose bad behaviour has escalated in recent months and is facing a number of legal troubles.
Meanwhile, Austin sparked speculation this week that he has moved on with Fifth Harmony member Camila Cabello, 17, as he posted a number of glowing tweets about her band on Twitter, but they have only hung out ''once or twice.''
He said: ''I would say me and Camila are good friends. I've hung out with her once or twice, so we're good friends.''
But he added: ''I just think she's really cute, I think she's funny and sensitive. She's a cool girl.''
The heartthrob is set to guest star on an upcoming episode of 'The Millers' next week and wants to pursue more acting roles in the future because he really enjoyed filming the show.
He said: ''I had a good time. It was pretty cool. I'm interested in going back again and I'm definitely interested in any opportunity in acting that I get.''
Austin will appear on 'The Millers' on Comedy Central next Wednesday (26.03.14) at 9.30pm.
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