[Opinions] I might be one of the few...
...people on here who actually likes Apple. Yes, it's a fruit, and yes, it's the name of a celebrity baby, but something about it is just so cute and friendly. I unabashedly love Apple as a name.
Even though Marie is your middle name, I fear that it's simply too commonplace. However, with an unusual name like Apple (for which 90% of people will already be drinking the Haterade for anyway), perhaps a common middle name like Marie will be best.
Other suggestions:
Apple Elinor
Apple Susannah
Apple Juliana
Apple Miriam
Apple Isabelle
Apple Victoria
Apple Stephanie
Apple Natalya
Apple Wilhelmina
Apple Giselle
Apple Felicity
Apple Tallulah
Apple Melisande
Apple Brynn
Apple Bronwen
Apple Jeanette
Apple Eloise
Apple Veronica
Apple Estella
Apple Sylvia
Apple Tatiana