Who sings la la?

There are numerous songs that feature the phrase "la la" in their lyrics or melody, performed by various artists. Some notable examples include:

1. "La La Land" by Demi Lovato from the movie "La La Land" (2016).

2. "Born This Way" by Lady Gaga from her album "Born This Way" (2011).

3. "La La La" by Naughty Boy featuring Sam Smith from the album "Hotel Cabana" (2013).

4. "Don't Stop Me Now" by Queen from their album "Jazz" (1978).

5. "Dancing Queen" by ABBA from their album "Arrival" (1976).

6. "La Vie en Rose" by Louis Armstrong from his album "Satchmo Plays King Oliver" (1959).

7. "La Isla Bonita" by Madonna from her album "True Blue" (1986).

8. "Lola" by The Kinks from their album "Lola Versus Powerman and the Moneygoround, Part One" (1970).

9. "L-O-V-E" by Nat King Cole from his album "L-O-V-E" (1965).

10. "La Bamba" by Ritchie Valens from his album "Ritchie Valens" (1958).

This is just a small selection, and there are countless other songs that incorporate "la la" in various forms.