Later in the season, Sigfridsson temporarily joined the Anette Norberg rink as lead, and the team won a silver medal at the 2009 Mount Titlis World Women's Curling Championship, losing to China's Wang Bingyu in the final.

As Sweden's representative at the 2012 Ford World Women's Curling Championship, the Sigfridsson rink won the silver medal,[3] losing to Switzerland's Mirjam Ott in the final match.

They played in on Grand Slam event, the 2011 Manitoba Lotteries Women's Curling Classic, winning four games.

[3] Despite losing the 2013 Swedish final to Anette Norberg, the Sigfridsson rink was selected to represent Sweden at the 2013 World Women's Curling Championship.

[3][4] She continued this success towards the 2014 Winter Olympics, where she led Sweden to a silver medal,[3] after losing to Canada's Jennifer Jones in the final.

A month later, she represented Sweden at the 2014 Ford World Women's Curling Championship where she fared a much worse record, placing 5th.

She skipped Sweden at the 2015 World Women's Curling Championship, leading her team to a 5-6 round robin record, missing the playoffs.