I am recklessly ambitious: Nicole Scherzinger

London: Nicole Scherzinger says she was not able to enjoy her success in her twenties.

The 36-year-old star, who has been in an on-and-off relationship with British Formula One driver Louis Hamilton for six years, said she wasn`t able to enjoy her success when she was a member of The Pussycat Dolls

"My 20s were fruitful but not enjoyable. Being in The Pussycat Dolls was probably my loneliest time because I was quite insatiable. Nothing was ever good enough and I didn`t know how to take a break. My 30s have definitely been more chillaxed.

"I`m recklessly ambitious. In America, ambition is a good thing - it`s hunger, it`s drive. I hate it when people use the word negatively," she said.

The former `X Factor` judge also admits she has always been very emotional.

"My nickname at school was Crybaby. Sometimes I can cry just talking because something means so much. And when I`m really hurting I just sob - a bit like someone is dying. I`m emotionally intense."

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