Lady Gaga changed kids' lives when she surprised them as their substitute teacher for a day. In a new PSA in support of public education, the superstar shows up to Walter Reed Middle School in Hollywood to talk to kids about their futures.

The commercial is part of the singer's new partnership with Staples in raising money for schools across the country. The supply store pledged to donate $2 million to the Born This Way Foundation and DonorsChoose.org, which helps educators afford the supplies they need. As the sponsor for Gaga's Joanne Tour, Staples will also give a lucky winner a $50,000 scholarship and a free trip to see Mother Monster in concert in Las Vegas.

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"I want kids to love themselves fearlessly," the "Bad Romance" singer said in the commercial, which was completely unscripted, according to Adweek. Instead of reciting lines, Gaga connected with the students and encouraged them to embrace their dreams.

"I want you to draw what is your future and what does it look like," she told them. They immediately got to work and took turns getting up in front of the class to explain what they want to be when they grow up.

Gaga's new PSA will be broadcast nationwide during back-to-school season. To donate, you can go into any Staples store or visit StaplesForStudents.org.

Later this summer, the superstar will also reprise her Bud Light Dive Bar Tour, which she kicked off last fall to promote her new album Joanne. The tour will resume on July 13 in Vegas, with two follow-up performances on July 26 and August 30, in LA and New Orleans, respectively. The latter two shows also will also include secret guests, because Gaga just can't stop with the surprises.

Check out the adorable video of Gaga as a sub below:

From: Harper's BAZAAR US