Does features count for this list? Because Justin Timberlake is listed with "Give It To Me" on the list and that's a single by Timbaland feat. Justin Timberlake & Nelly Furtado. And "Ayo Technology" is a single by 50 Cent feat. Justin Timberlake.
9. Justin Timberlake - 6
1. Sexy Back [#1]
2. My Love [#1]
3. What Goes Around... Comes Around [#1]
4. Give it To Me [#1]
5. Summer Love [#6]
6. Ayo Technology [#5]
If that's the case then "Live Your Life" should be included for Rihanna and S&M for Britney:
Rihanna - 5
1. Hate That I Love You [#7]
2. Don't Stop the Music [#3]
3. Take a Bow [#1]
4. Disturbia [#1]
5. Live Your Life [#1]
Britney Spears - 5
1. 3 [#1]
2. Hold it Against Me [#1]
3. S&M [#1]
4. Till the World Ends [#3]
5. I Wanna Go [#7]
And Bruno Mars has 6 consecutive top 10's:
1. Nothin' On You #1
2. Billionaire #4
3. Just The Way You Are #1
4. Grenade #1
5. The Lazy Song #4
6. Lighters #4