Comic Relief hit stays at No 1
Sam Smith and John Legend remained at the top of the singles chart this week.
Their track Lay Me Down, this year's Comic Relief song, was at the summit for the second week.
It had a lead of 9,000 combined chart sales over its closest competitor, Years & Years' King, the Official Charts Company said.
FourFiveSeconds, by Rihanna, Kanye West and Paul McCartney climbed two places to Number 3 and claims the title of this week's most-streamed track with 1.98 million plays.
James Bay's Hold Back The River jumped six places to Number 4, and Ellie Goulding completes the Top 5 with Love Me Like You Do.
The week's highest new entry went to Tough Love's So Freakin' Tight at number 11.
In the albums chart Kendrick Lamar scored a first Number 1 with To Pimp A Butterfly.
The rapper's second record held off Smith's In The Lonely Hour, which slipped to second place.
Meanwhile, Dire Straits star Mark Knopfler earned the highest-charting album of his career with his eighth studio opus Tracker coming in at Number 3, while Ed Sheeran's X was at 4.
Rounding off the Top 5 was Van Morrison's Duets - Re-working The Catalogue. The singer-songwriter's 35th studio album is his highest-charting collection since 2005's Magic Time, which peaked at 3.
Meanwhile Icelandic composer Olafur Arnalds, who provided the music for ITV series Broadchurch, topped the Official UK Classical Chart for the first time with The Chopin Project.