I think Adele is very pretty and this is one name I can see gaining popularity over the next few years. I like the sound of:
Adele Sophie / Sophia
Adele Phoebe
Adele Ruby
Adele Sabrina
Adele Rebecca
Adele Rhiannon
Adele Iris
Adele Felicity
Adele Georgiana
Adele Celeste
Adele Katherine
Adele Jemima
Adele Miriam
Adele Maia
Adele Mia