How about a rate featuring
(no pun intended) the main pop girls' collaborations?
I only included singles, official remixes and some other more relevant collabs.
Britney Spears (7 songs)
"Me Against the Music" (featuring Madonna)
"Boys" (featuring Pharrell Williams)
"Till The World Ends" (featuring Kesha & Nicki Minaj)
"Big Fat Bass" (featuring will.i.am)
"It Should Be Easy" (featuring will.i.am)
"Tik Tik Boom" (featuring T.I.)
"Pretty Girls" (with Iggy Azalea)
Beyonce (13 songs)
"Crazy in Love" (featuring Jay-Z)
"Baby Boy" (featuring Sean Paul)
"Déjà Vu" (featuring Jay-Z)
"Upgrade U" (featuring Jay-Z)
"Check on It" (featuring Slim Thug)
"Beautiful Liar" (with Shakira)
"Ego" (featuring Kanye West)
"Video Phone" (featuring Lady Gaga)
"Party" (featuring André 3000)
"Drunk in Love" (featuring Jay Z)
"Mine" (featuring Drake)
"***Flawless" (featuring Nicki Minaj)
"Superpower" (featuring Frank Ocean)
Rihanna (14 songs)
"Break It Off" (featuring Sean Paul)
"Umbrella" (featuring Jay-Z)
"Hate That I Love You" (featuring Ne-Yo)
"If I Never See Your Face Again" (with Maroon 5)
"Hard" (featuring Jeezy)
"What's My Name?" (featuring Drake)
"S&M" (featuring Britney Spears)
"Raining Men" (featuring Nicki Minaj)
"Love the Way You Lie (Part II)" (featuring Eminem)
"We Found Love" (featuring Calvin Harris)
"Talk That Talk" (featuring Jay-Z)
"Birthday Cake" (featuring Chris Brown)
"Stay" (featuring Mikky Ekko)
"FourFiveSeconds" (with Kanye West and Paul McCartney)
Lady Gaga (6 songs)
"Just Dance" (featuring Colby O'Donis)
"Starstruck" (featuring Space Cowboy and Flo Rida)
"Telephone" (featuring Beyoncé)
"Do What U Want" (featuring R. Kelly)
"Jewels n' Drugs" (featuring T.I., Too Short and Twista)
"Anything Goes" (with Tony Bennett)
Katy Perry (6 songs)
"If We Ever Meet Again" (with Timbaland)
"California Gurls" (featuring Snoop Dogg)
"E.T." (featuring Kanye West)
"Last Friday Night (T.G.I.F.)" (featuring Missy Elliott)
"The One That Got Away" (featuring B.o.B.)
"Dark Horse" (featuring Juicy J)
Total of 46 songs.
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