London, Apr 13 (IANS): Actor Chris Hemsworth can't see his brother Liam getting engaged to Miley Cyrus in near future because he thinks they're both too young.

Liam has been dating Miley on and off for almost three years.

They're like 21 or something ... I can't see that happening. You have to ask him about his relationship," said Chris.

And it seems 22-year-old Liam, agrees with his elder brother as he recently said he was too young to wed 19-year-old Miley.

"Marriage and kids are way in the future for me. I'm young. It's not really on my mind at the moment - marriage, kids or anything," contactmusic.com quoted him as saying.

Miley sparked rumours engagement rumours after she was spotted wearing a diamond ring on her ring finger.

The singer-and-actress posted a picture of her manicure on Twitter, revealing a big rock parked on her left hand in the process. However, her representative denied that it was an engagement ring.