I'm just going to go up and

[Topstudent]

At a karaoke bar. A guy (guy #1) leaves his table to head up to the bar. On the way he passes a guy (guy #2) sitting at another table who thinks he's going to the stage to sing again...

Guy #2: Are you going to sing again?

Guy #1: No, I'm just going up to get something to drink. / No, I'm just on my way up to get something to drink. / No, I'm just going to go get something to drink. / No, I'm just heading up to get something to drink.

Hi. What would the most natural way to phrase this sentence in this scenario? (It doesn't have to be one of my suggestions) Thanks.

 

[Rover_KE]

No, I’m just going to the bar.
No, I’m just going for a drink.

 

[jutfrank]

Or: No, I'm just going to get a drink.

 

[Tdol]

No, I'm just going to get another drink.