What attractive shape a rectangular body can easily gain by workouts?

I have rectangular body shape , but right now I have lots of fat on my body like on different places , I m chubby , I wanna shape myself. When I'll shape myself would I stay rectangle or my body shape can change. If yes then what are the possible shapes I can gain.
My measurements are (inches)
41 bust
33 waist
40 upper hip (I m not sure lol)
41 hips..
I have most fat on my stomach it's like 41 inches.
What do u think so?
What attractive shape a rectangular body can easily gain by workouts?
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