In 2008, her best finish was runner-up at the Jamie Farr Owens Corning Classic Presented by Kroger, where she tied her career low 64 in the final round. She finished tied for sixth at the U.S. Women's Open and tied for ninth at the inaugural Grand China Air LPGA.
In 2007, Nicole became the sixth Rolex First-Time Winner of the season at the Ginn Tribute Hosted by ANNIKA, where she defeated Lorena Ochoa on the first hole of a sudden-death playoff and crossed the $1 million mark in career earnings. She also sunk the winning putt in singles competition for the victorious U.S. Solheim Cup team to retain the Cup; finished with a 2-2-0 record.
In 2006, her best finish was a tie for third at the Honda LPGA Thailand 2006 and she carded a career-low 64 during the first round of the McDonald’s LPGA Championship Presented by Coca-Cola.
In 2005, she won back-to-back tournaments on the Futures Tour—the Northwest Indiana FUTURES Golf Classic and the Quality Concepts Kankakee FUTURES Golf Classic—en route to a fourth-place finish on the season-ending money list, which earned her exempt status for the 2006 LPGA Tour season.
In 2004, Nicole competed on the Futures Tour and recorded two top-10 finishes.
In 2003, she recorded a season-best finish at the Wachovia LPGA Classic hosted by Betsy King, where she tied for 29th but did not retain her status for the 2004 LPGA Tour season.
In 2002 she did not compete after August due to a right shoulder injury that required surgery.
In 2001, she turned professional in June and competed on the Futures Tour and recorded one top-10 finish; tied for 52nd at the LPGA Final Qualifying Tournament to earn non-exempt status for the 2002 LPGA season.