...but she sounds like a star (6)

I believe the answer is:

stella

I'm a little stuck... Click here to teach me more about this clue!

'but she' is the definition.
I can't tell whether this definition defines the answer.

'sounds like a star' is the wordplay.
'sounds' shows a homophone (sound like).
'like a star' becomes 'stellar' (I've seen this before).
'stellar' is a homophone of 'STELLA'.

Can you help me to learn more?

(Other definitions for stella that I've seen before include "____ McCartney, fashion designer" , "- Gibbons (Cold Comfort Farm)" , "Girl's name meaning star" , "Swift alias for Esther" , "girl!" .)

I've seen this clue in The Irish Independent.

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