Even at age 45, Nicole Kidman emerges as a beautiful actress. She had her own share of good times and bad, especially with her divorce with ex-hubby, Tom Cruise.

But after all of those, Kidman still emerged as a strong and loving woman as she found romance and family once again in the arms of country-rock singer Keith Urban.

As she celebrated her 45th year yesterday, Kidman was spotted having a simple-yet-romantic Greek dinner Down Under with her husband. The more surprising part of her birthday bash is when they headed straight to watch the concert of Lady Gaga. According to reports made by the Daily Mail, Kidman's parents were also around namely Dr. Anthony and Janelle Kidman during the dinner at The Apollo in Potts Point.

Kidman At The Lady Gaga Concert

The award-winning actress had to remain all wrapped up during the entire concert as the Sydney temp dropped to 4 degrees. The ever-romantic husband and wife will also celebrate their sixth wedding anniversary on June 25.

The two currently live within the Milson's Point and Keith Urban revealed that it was for Kidman why he accepted the offer to work as a mentor in 'The Voice' Australia. They both thought that it was a good think to make their schedules work for the utmost benefit of their family.

Kidman is a self confessed fan of the show's US version and so she was very excited when Urban was offered the job. Urban, on the other hand, loves being in it and is very much looking forward to be a part of it again for another season. He shared with reporters that there is no need to convince him to take the mentor job for he would surely do it in a heartbeat.

Check out the slideshow for more pictures of the birthday girl, Nicole Kidman, through the years.

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