Actress and singer Selena Gomez performs during her concert as part of her "We Own The Night" tour at the Palacio de Deportes (Sports Palace) in Mexico City January 26, 2012.[Photo/Agencies]

Selena Gomez "completely wasted" a year of her life on an ex-boyfriend.

The 19-year-old beauty - who has previously dated Taylor Lautner and Nick Jonas - didn't enjoy being in a former relationship which meant she had to "hide everything" and do the "craziest things" to avoid being seen with her then-boyfriend.

Selena - who is currently dating Justin Bieber - told Cosmopolitan magazine: "I was in a relationship previously where I had to hide everything and it wasn't my choice.

"I had to go through different exits and take separate cars and do the craziest things, and it just really wasn't worth it. It was like a year of my life completely wasted."

But the singer-and-actress now loves being able to go on dates with the 'Never Say Never' hitmaker and she enjoys spending time with the 17-year-old teen heartthrob being "as normal as possible".

She added: "I'm just like every 19-year-old girl. If you're in love, you're in love to the fullest, and you just want to go to the movies, hang out, and be as normal as possible. I'm fortunate that I've found someone who has that philosophy."