Now she's a bright blaze, light rays
A shooting out, a phoenix on fire burning up the nightscape

from Kanye West (Ft. Big Sean, Lupe Fiasco & Yasiin Bey) – Don't Look Down Lyrics on Rap Genius

Meaning

Connecting from the previous line, his lover (the phoenix) has now become fully engulfed by the sun and caused an array lights shining in the night sky.

Also could be a reference to the Runaway film.

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