help plz

[negar_aghili]

hi deer masters
i'm confused with two expressions and i dont know wich one is correct
1-oh my god ( that i'm certainly sure about it's correction )
2-oh gosh
3-oh my gosh
my confussion is mostly about the third one
and i don't know if it is correct or not
thanks

[Tdol]

They're all correct. Adding 'my' seems to add a bit more emphasis to the phrase.