Pathfinder Sorcerer Celestial Help

[Sygg83]

I am starting a new campaign starting at level 1. I rolled kind of lousy in my stats, but I think I can make this sorceress work. Heavenly Fire is my favorite Bloodline Power as far as doing what I want her to do. I am not sure if there are any feats that may help me with making Heavenly Fire better. If anyone has any suggestions on this type of build, it would really be appreciated.

STR -7
DEX -15
CON-15
INT-10
WIS-9
CHA-18

[Baroncognito]

What races are you allowed?

[Sygg83]

I am a Half-Elf. I have to be, because she's the daughter of a character I made in a previous campaign. My DM is also letting me use an Elvish Curveblade for my weapon.