Princess Charlene who married Monaco's Prince Albert II in July last year, sported a new sleek cropped look as she attended the finals of the 2012 Monte Carlo Tennis Masters.
To match her new sporty hairdo, she opted for white trousers and matching high-collar shirt which she paired with a navy blue blazer.
At the end of the game, the royal couple applauded and congratulated Rafael Nadal of Spain for defeating Novak Djokovic of Serbia and winning the finals for the eighth consecutive time.
World No 2 Nadal won the Monte-Carlo Rolex Masters title on 22 April, 2012 after dismissing top-ranked Novak Djokovic 6-3, 6-1 to end a seven-match final losing streak to the Serbian.
"It's very important to break that situation," Nadal said during a news conference following the match, "So was important to win the tournament another time. Break that situation; winning a Masters 1000, one of my favourites, everything's perfect today."
Nadal broke a tie with Roger Federer for the most ATP World Tour Masters 1,000 crowns, lifting his 20th trophy. It's his first triumph since winning a record-tying sixth Roland Garros title in June 2011.
"To start the clay-court season winning here is an amazing feeling," the ATP quoted Nadal as saying after the match. "This tournament is very special for me. My level of tennis was high during the last four matches, since the second round."
Djokovic was bidding to win his third title of the season. Earlier, he defeated Nadal at the Australian Open capturing his fifth Grand Slam and also won the Sony Ericsson Open in Miami.
Prince Albert II and Princess Charlene had earlier presented the Vermilion Medal for Physical Education and Sports (Medaille en vermeil de l'education physique et des sports) to Novak Djokovic.
Established in the year 1939, the Vermilion Medal is awarded to outstanding individuals who contribute to the development of physical education and sports in the principality.
The Monte-Carlo ATP Masters Series Tournament attended by the royal couple is an annual tennis tournament that is a part of the ATP Masters Series on the Association of Tennis Professionals (ATP) Tour.
Catch a glimpse of the new stylish hairdo of Princess Charlene: