Poker Face and it's 15 million copies sold

Then RITD > Umbrella > IKAG

Rolling in the Deep and Poker Face were the biggest successes. In my personal opinion, PF and Umbrella had the largest impact.

Pokerface was the most groundbreaking, roling in the deep was good though

Poker Face was bigger WW

14M sold

Poker Face of course

Goodness this is extremely difficult.
Umbrella I think is the most ICONIC. and to think this was released at the start of iTunes and digital sales...

Umbrella.

I love all of the songs
But I'm going for Rolling in the Deep

How was Umbrella bigger than Poker Face?

IKAG is the only debut there imo that makes it that much more iconic than the rest.

Breakthrough single =/= debut single

"Poker Face", the second biggest worldwide hit of the digital age, behind "I Gotta Feeling".

In this poll, coincidentally, I happen to love all four songs!

Are You kidding?? RITD slays the other 3 together with no mercy. Even it made 21 selling millions the others never...

Poker Face, hands down.

Poker Face, of course.

This is all based before digital era now...Umbrella went number one in almost every itunes store, longest running #1 in the UK 10 WEEKS this century... , 10 WEEKS at #1 worldwide, 7 weeks in the US #1.... 1ST #1 on Canadian charts. 9+ million sold ww.
I can say lots more too....

The biggest is obviously Poker Face followed by RITD.

Then it's Umbrella > I Kissed A Girl.