|Full name||Louis Frédéric Grimaldi|
|Family|| Sophie Grimaldi (mother) |
Beatrice Grimaldi (sister)
Albert Grimaldi (uncle)
|Romances||Blair Waldorf (ex-fiance)|
|Friends||Diana Payne (ally)|
|Enemies|| Chuck Bass |
|Status||Alive, living in Monaco|
|Portrayed by||Hugo Becker|
|First appearance||"Belles de Jour"|
|Last appearance||"The Backup Dan"|
Louis Frédéric Grimaldi (formally Prince Louis of Monaco) is the ex-husband of Blair Waldorf and, as a member of the Grimaldi family, a Monégasque prince. He is the son of Princess Sophie of Monaco and older brother of Princess Beatrice. Louis is portrayed by Hugo Becker.
Loius appeared in Season 4 where he met Blair.
Titles and stylesEdit
- His Serene Highness Prince Louis of Monaco
Blair: "I can't live in this fairytale."
Louis: "I promise this is not a story for little girls."
4x20 − 'Je t'adore'
4x20 - Blair to Serena: "It's official, we should send out change of address cards, because I'm moving to cloud nine. Louis is incredible, with him by my side I can actually be a powerful woman."
4x20 - Blair to Serena: "Louis made me happy. Happy. Do you know the last time I felt joy? Chuck had brought me into his darkness for so long, I'd forgotten what that felt like."
4x20 - Louis to Blair: "I want you to choose joy in your life. More than that, I want to be the one who gives you joy."
4x21 - Louis to Blair: "I want you Blair. But the only way it will work is if you show me all of the parts of yourself. Even the ones you're ashamed off"
4x22 - Blair: "Louis and I it's different. It's lighter, we're simple, makes me happy."
4x22 - Chuck arrives at an empty Constance to find Louis is still there.
Chuck: "You're still here"
Louis: "Why wouldn't I be?"
Chuck: "Party's almost over."
Louis: "I know but Blair hasn't arrived yet"
Chuck: "How can you be sure she's even coming?"
Louis: "Because I love her. And just as important, I believe in her. I know she's scared, but she'll figure it out. And I'll be here when she does."
- Louis's full name was thought to have been Louis Albert Jean-Michal Grimaldi (Petty in Pink) until it was announced Louis Frédéric Grimaldi (G.G.).
- Season 4
- Season 5