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
The Radio 1 Breakfast Show Radio 1, where celebrity guests choose to either prank call a contact on their phone or delete their number altogether. Other segments include "The Nixtape" – which sees Grimshaw select 30 minutes of party-oriented music before a DJ comes in to mix listener requests to close the week, "Happy Monday", a half-hour of uplifting songs on Monday mornings, "Showquizness", an irreverent daily quiz based around pop culture, "Happy Hardcore FM", which sees listeners phone into the show to scream over happy hardcore beats, and the daily "Waking Up Song", which features celebrities encouraging listeners to get out of bed to