“First show tonight!!!! I’m so excited!!!!!!!!!!!!!!!!!!!!” Willow Smith tweeted just hours before opening for her “big brother” Justin Bieber in London today. The “21st Century Girl” and the recent birthday boy kicked off their European tour at the National Indoor Arena. JB (just in the UK two weeks ago for his Never Say Never premiere) seemed thrilled to be back from his B-day partying with girlfriend Selena Gomez, tweeting: “really happy to be back on tour with my fans. Ive missed it.” Check out highlights from the hair-whipping show.

You might also like

Willow Smith Shops In Adidas Boots In Soho (PHOTOS) Willow Smith is pretty much the coolest 11-year-old around. She’s not just...

Willow Smith & Nicki Minaj Unleash Their “Fireball” Video Idolator interviewee Willow Smith premiered her Nicki Minaj-featuring, Hype Williams-directed...

Willow Smith And The Black Eyed Peas Perform At The Kids’ Choice Awards Last night kids had their say in what’s hot in music at the 2011 Nickelodeon...

Willow Smith Is A “21st Century Girl” On ‘Oprah’ Roc Nation pop debutante Willow Smith co-hosted The Oprah Winfrey Show today, and...