Jessica Alba's 5 syllables (3 + 2) hit the Hollywood sweet spot.
Jessica's 3 beats vs. Alba's 2 create a natural cinematic snap.
Jessica Alba's softer consonants cost it screen presence.
Jessica Alba misses the alliteration hook that makes names stick.
Jessica (7 letters) and Alba (4) have a slight length mismatch, but it reads fine on screen.
Jessica Alba has mostly familiar phonemes with a few tricky patterns.
Jessica Alba has decent vowel richness, but stronger A and O sounds would lift it.