United Kingdom, May 9 -- Nicole Scherzinger's work ethic is "in [her] blood".

The 46-year-old star - who has received a Tony Award nomination for her performance in 'Sunset Boulevard' - feels "very proud" of her family heritage and she's credited her background for forging her resilient attitude.

Nicole - who was born in Honolulu, Hawaii - told 'Extra': "I got a lot of love to give inside and a lot to give and I get to give that every night and day sometimes, eight shows a week, and I love it!

"I'm kind of like, I'm very proud of my heritage. I'm of Hawaiian, Ukrainian, Filipino descent and I think it's just in my blood. Honey, we know how to work. We are workers and we're warriors."

Nicole plays Norma Desmond in 'Sunset Boulevard' an...