Justin Bieber Performs To 300,000 People In Mexico Justin Bieber performs live in front of 300,000 people at Mexico's main plaza, Zocalo square - just days after wowing his UK fans at the Summertime Ball in London. 1. Justin Bieber takes to the stage in Zocalo Square, Mexico to play for hundreds of thousands of fans. 2. Justin holds his hand to his chest has he belts out another of his huge hits. 3. Fans of the 'Boyfriend' star decended on the square in their thousands to watch him perform. 4. One fan poses with a cardboard cut out of Justin Bieber. 5. Justin Bieber was joined by his backing dancers as he sang songs including 'Baby'. 6. Justin's performance in Mexico came just two days after he wowed fans at Capital's Summertime Ball. 7. Justin Bieber pulls off one of his trademark dance moves on stage in Mexico. 8. Justin sings 'Baby' to his fans in Mexico. 9. Justin is currently promoting his new album 'Believe', which is released in June 2012. 10. Justin Bieber greets fans at a promotional event ahead of his concert in Zocalo Square. 11. Justin Bieber poses for photographers ahead of his gig in Mexico.