This is my first tab, so I hope it's ok! Tell me what you think and if you see any 
mistakes, please put what I've done wrong in the comments so I can change it :)

Capo on 2nd fret! :)

Em7                  Cadd9 (x32030@1)                 G (320003@1)                 D/F# (200232@1)                 
e|-------------|      e|------3------|      e|------3------|      e|------2------|      
B|-----3-------|      B|------3------|      B|------3------|      B|------3------|      
G|-------------|      G|-------------|      G|-------------|      G|------2------|      
D|-----2-------|      D|------2------|      D|-------------|      D|-------------|      
A|-----2-------|      A|------3------|      A|------2------|      A|-------------|      
E|-------------|      E|------x------|      E|------3------|      E|------2------|

Em (022000@1)                  A (x02220@1)                   Ce|-------------| (x32010@1)     e|-------------|      e|-------------|
B|-------------|      B|-----2-------|      B|-----1-------|
G|-------------|      G|-----2-------|      G|-------------|
D|-----2-------|      D|-----2-------|      D|-----2-------|
A|-----2-------|      A|-------------|      A|-----3-------|
E|-------------|      E|-----x-------|      E|-----x-------|

[Rihanna]

Em7
Ooh na na, what's my name
    Cadd9 (x32030@1)                  G (320003@1)    D/F#Ooh (200232@1)na na, what's my name
      
    Em7
Ooh na na, what's my name
    Cadd9Ooh (x32030@1)na na, what's my name
    G (320003@1)         
Ooh na na, what's my name
    D/F#Whats (200232@1)my name, whats my name

[Drake]

Em7
I heard you good with them soft lips
Cadd9
Yeah you know word of mouth
GThe (320003@1)square root of 69 is 8 something right?
D/F#
Cuz I've been tryna work it out, oooow
Em7
Good weed, white wine
Cadd9
I come alive in the night time
GOkay, (320003@1)away we go
D/F#
Only thing we have on is the radio-
Em7
Ooooh, let it play, say you gotta leave
Cadd9
But I know you wanna stay
GYou (320003@1)just waiting on the traffic jam to finish girl
D/F#
The things we could do in twenty minutes girl
Em7
Say my name, say my name
Cadd9
Wear it out, its getting hot, crack a window, air it out
GI (320003@1)can get you through a mighty long day
D/F#
Soon as I u go the text that i write is gon say...

[Rihanna]

Em7
Ooh na na, what's my name
    Cadd9Ooh (x32030@1)na na, what's my name
    G (320003@1)         
Ooh na na, what's my name
    D/F#Whats (200232@1)my name, whats my name 
    Em7                    Cadd9Not (x32030@1)everybody knows how to work my body
    GKnows (320003@1)how to make me want it
    D/F#But (200232@1)boy you stay up on it
   Em7                                        Cadd9You (x32030@1)got that something that keeps me so off balance
                   G (320003@1)                      D/F#Baby (200232@1)you're a challenge, lets explore your talent

[Chorus]

Em7                              Cadd9Hey (x32030@1)boy I really wanna see if you can go downtown with a girl like me
     GHey (320003@1)boy, I really wanna be with you
           D/F#Cause (200232@1)you just my type

Ooh na na na na
Em7
I need a boy to take it over
Cadd9
Looking for a guy to put in work, uh
G (320003@1)     D/F#Oooooh, (200232@1)oooooh 
     Em7                              Cadd9Hey (x32030@1)boy I really wanna see if you can go downtown with a girl like me
     GHey (320003@1)boy, I really wanna be with you
           D/F#Cause (200232@1)you just my type

Ooh na na na na
Em7
I need a boy to take it over
Cadd9
Looking for a guy to put in work, uh
G (320003@1)     D/F#Oooooh, (200232@1)oooooh

Em7
Ooh na na, what's my name
    Cadd9Ooh (x32030@1)na na, what's my name
    G (320003@1)         
Ooh na na, what's my name
    D/F#Whats (200232@1)my name, whats my name

[Rihanna]

Em7                                    Cadd9Baby (x32030@1)you got me, and aint nowhere that I'd be
                           GThan (320003@1)with your arms around me
                        D/F#Back (200232@1)and forth you rock me
     Em7                           Cadd9So (x32030@1)I surrender, to every word you whisper
                G (320003@1)           D/F#Every (200232@1)door you enter, I will let you in

[Chorus]

Em7                              Cadd9Hey (x32030@1)boy I really wanna see if you can go downtown with a girl like me
     GHey (320003@1)boy, I really wanna be with you
           D/F#Cause (200232@1)you just my type

Ooh na na na na
Em7
I need a boy to take it over
Cadd9
Looking for a guy to put in work, uh
G (320003@1)     D/F#Oooooh, (200232@1)oooooh

C (x32010@1)                    GYou're (320003@1)so amazing, you took the time to figure me out
Em (022000@1)                       D/F#Thats (200232@1)why you take me, way past the point of turning me on
C (x32010@1)                     G (320003@1)               D/F# (200232@1)     AYou (x02220@1)bout to break me, I swear you got me losing my mind

Em7
Ooh na na, what's my name
    Cadd9 (x32030@1)                  G (320003@1)    D/F#Ooh (200232@1)na na, what's my name
      
    Em7
Ooh na na, what's my name
    Cadd9Ooh (x32030@1)na na, what's my name
    G (320003@1)         
Ooh na na, what's my name
    D/F#Whats (200232@1)my name, whats my name

[Chorus]

Em7                              Cadd9Hey (x32030@1)boy I really wanna see if you can go downtown with a girl like me
     GHey (320003@1)boy, I really wanna be with you
           D/F#Cause (200232@1)you just my type

Ooh na na na na
Em7
I need a boy to take it over
Cadd9
Looking for a guy to put in work, uh
G (320003@1)     D/F#Oooooh, (200232@1)oooooh 
     Em7                              Cadd9Hey (x32030@1)boy I really wanna see if you can go downtown with a girl like me
     GHey (320003@1)boy, I really wanna be with you
           D/F#Cause (200232@1)you just my type

Ooh na na na na
Em7
I need a boy to take it over
Cadd9
Looking for a guy to put in work, uh
G (320003@1)     D/F#Oooooh, (200232@1)oooooh