Adele was quick to offer her help. She came down to the crowd to ensure they were following instructions and continued to talk to the gathered group in the meantime. "I hope they're okay," Adele said. "They've probably been moshing too hard to one of my songs or something," she added.
Singer Mariah Carey, who released her debut album in 1990, says she has no plans to retire.
The song is her third single after her musical debut In My City in 2012. Priyanka followed with Exotic, a hit collaboration with rapper Pitbull last year.
Teen pop sensation Justin Bieber's 2010 breakout single Baby has reached 1 billion views on a popular video hosting website.
Hit Me Baby One More Time, the song which made pop singer Britney Spears a popular name, has been voted as the best debut single in the past 20 years.
After crooning hit numbers such as Paani da rang, Saddi gali and Tu hi tu for his films, Ayushmann Khurrana is now set to release his first single O mutiyare.
Pop stars Beyonce Knowles and Lady Gaga are finally preparing a follow-up track to their hit single Telephone.