Current popular music artist/band/genre(They are all first names in lower case)

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Across
  1. 3. An American singer and songwriter who sings a song called "bad guy".
  2. 4. An American singer and actress with a song called 7 rings.
  3. 5. American pop and country music singer-songwriter.
Down
  1. 1. An American singer-songwriter and actress with an album called "Sour".
  2. 2. An American singer, songwriter, and actress who sung the song called "Who run the world".
  3. 3. A popular k-pop group with 7 members.
  4. 4. A english woman who is a pop singer and songwriter.