Celebrities including Beyonce, Jennifer Garner and Glee's Jane Lynch have got behind Facebook COO Sheryl Sandberg's Ban Bossy campaign.
The stars, plus other-profile names including former US Secretary of State Condoleezza Rice and designer Diane von Furstenberg, appear in a video posted on YouTube this week by Sandberg's non-profit organisation Lean In.
In the clip, which has already drawn in over 600,000 views, the women are seen describing why they've decided to ban the word bossy.
"Girls are less interested in leadership than boys," says Beyonce, 32. "Be brave. Be you. I’m not bossy. I’m the boss."
"Being labelled something matters," adds 41-year-old Garner. "Let's encourage girls to lead."
"There are no limits," says Rice, who was the first female National Security Advisor and the first female African-American Secretary Of State. "Let's ban bossy."
Former US Secretary of State Condoleezza Rice
Sandberg is spearheading the campaign to change negative language used to describe women and girls who take charge.
"When I was in junior high and running for class vice president," the Facebook exec described in a Wall Street Journal column, "One of my teachers pulled my best friend aside to warn her not to follow my example: 'Nobody likes a bossy girl,' the teacher warned."
"When a little boy asserts himself, he's called a 'leader,'" a mission statement on the Ban Bossy website reads. "Yet when a little girl does the same, she risks being branded 'bossy.' Words like bossy send a message: don't raise your hand or speak up. By middle school, girls are less interested in leading than boys—a trend that continues into adulthood. Together we can encourage girls to lead."
Glee's Jane Lynch
The site features inspiring quotes, facts and tips from world-famous leaders such as Michelle Obama.
"Commit to your education, because every time you stretch your mind, you boost your confidence and add power and credibility to your voice," the First Lady says.
Sandberg is leading the campaign along with Rice and Girl Scouts CEO Ana Maria Chávez. Find out more under the #BanBossy hashtag on Twitter or click here to read Sandberg's superwoman guide to work, as told to Stylist.