BBC Radio 1 been presented by various YouTubers such as Jim Chapman and Hannah Witton. In January 2015, Clara Amfo replaced Jameela Jamil as host of The Official Chart on Sundays (4pm7pm) and in March, Zane Lowe left Radio 1 and was replaced by Annie Mac on the new music evening show. In May 2015, Fearne Cotton left the station after almost 10 years. Her weekday morning show was taken over by Clara Amfo. Adele Roberts also joined the weekday schedule line-up, hosting the Early Breakfast show. In July 2015, The Official Chart moved to a Friday from 4pm to 5:45pm, hosted by
BBC Radio 1 since the 1990s. The weekend is usually the first weekend in August and has performances from world-famous DJs and Radio 1's own dance music talent such as Pete Tong and Annie Mac. Since 2008 Radio 1 has held an annual event for teenagers aged 14 to 17 years. Originally named BBC Switch Live, the first event was held on 12 October 2008 at the Hammersmith Apollo. The event has been hosted by various Radio 1 DJs and guest co-hosts. In 2010 the event was renamed 'BBC Radio 1's Teen Awards', and includes awards given to celebrities and particularly inspirational young