For the occasion, Meghan wore an ivory trench coat from Sentaler ... Sentaler’s Baby Alpaca wrap coat is available in multiple colors, if you're looking to channel Meghan's style: $1990.00 ...

Sienna Miller's first Sézane trench coat has the exact same single-breasted cut, plaid lining, and neat row of tortoiseshell ...

If you buy something, we may earn an affiliate commission. The trench coat is kind of like retinol: a little goes a long way. The comparison might feel tenuous, but as a guy who loves the former ...