Tiyasa birthday

1234567
Across
  1. 2. What the universe does to the birthday star.
  2. 4. → The reason this puzzle exists
  3. 5. → The opposite of dim.
  4. 7. → What stars and birthday people should always do.
Down
  1. 1. → Someone who's effortlessly iconic.
  2. 3. → Where the birthday person belongs.
  3. 6. → Three letters, one very common word.