Here is the Trumpeter (lower) versus the Zvezda nose (higher):
The Trumpeter lower fuselage on the Zvezda upper fuselage is an almost perfect match in outline:
The Zvezda lower fuselage on the Trumpeter upper fuselage:
Zvezda's upper fuselage on Trumpeter's lower fuselage:
Trumpeter's upper fuselage on Zvezda's lower fuselage (I didn't realize it slipped a little):
... 
!
