If you meant a with a similar feel, here's one in the style of contemporary Hindi romantic songs (like Tum Se or Muskurahat ): "Teri muskaan mein utar gaya hoon main, Jaise subah ki pehli kiran ho narm si." Or a direct translation for "filling into your smile" as a poetic line:
(तेरी मुस्कान में खो जाना, अब तो आदत सी बन गई है।) filling into your smile hindi latest
(तेरी मुस्कान में भर जाना चाहता हूँ मैं।) If you meant a with a similar feel,