At the first annual “Tube-a-Tweet-a-Thon,” presented by What’s Trending and Virgin Mobile, “American Idol” Season 10 star Pia Toscano and singer-songwriter Jared Lee performed the beloved holiday song “O Holy Night.”

Contribute to the Covenant House‘s efforts to aid homeless youth by tweeting #Tubeathon! It’s that easy. For every tweet, Virgin Mobile donates $1 to the cause. Donate directly to Covenant House on the Virgin Mobile website and subscribe to Virgin Mobile on YouTube.

Follow Pia Toscano and Jared Lee on Twitter.

Subscribe to our YouTube channel for more of the star-studded #Tubeathon, including live performances from Pentatonix, Reality Changers, Taryn Southern, Chester See, Kurt Hugo Schneider, Sam Tsui and many, many more.