flamboyant

[Cobuild] If you say that someone or something is flamboyant, you mean that they are very noticeable, stylish, and exciting.

• Freddie Mercury was a flamboyant star of the British hard rock scene.
  

[AmH] 3. (Architecture) Of, relating to, or having wavy lines and flamelike forms characteristic of 15th- and 16th-century French Gothic architecture.

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[Larousse Pratique] flamboyer: 

1.  Jeter une flamme brillante: Le bois flamboie dans la cheminée (rougeoyer).

2.  (LITT.) Briller comme la flamme: Des yeux qui flamboient (étinceler, scintiller).