Agent and talent manager Jason Trawick
popped the question on his 40th birthday with a 4-carat round white diamond ring featuring 90 small round diamonds along the band, a design by celebrity jeweler Neil Lane
. "Jason is a romantic and when I asked him to tell me about Britney and what the ring would represent to them so I could find inspiration, his response was always the sameshe is his princess!” Lane told People
. Hence the tiara-style setting and crown-like band!