Adele has an impressive number of chart topping songs including Hello, Rumor Has It, Someone Like You, Rolling in the Deep - the list goes on and on.
There are however a number of incredible songs that have done very well for Adele that weren't actually released as singles and they definitely could have been.
Adele's most popular song that was never given the official single treatment is the beautiful track, One and Only from her album 21.
The song has achieved both the highest number of downloads and streams, accumulating 72,000 downloads and 7.7 million plays.
Just 1,500 downloads and 600,000 streams behind Number 1 Adele non-singles list is All I Ask from her latest album 25. The song was actually co-written by Bruno Mars.
Her third biggest song not released as a single is Don't You Remember which was released in 2011, with 59,000 downloads and 6.7 million streams.
Here's the top 9 songs that were never released as singles:
|1.||One and Only||2011|
|2.||All I Ask||2015|
|3.||Don't You Remember||2011|
|6.||He Won't Go||2011|
|7.||Million Years Ago||2015|
|8.||Take It All||2011|
|9.||I Miss You||2015|