In Breaking Dawn they will, and in Eclipse they talk about it.
Kristen Stewart and Robert Pattinson became romantically involved when they were filming the Twilight saga movies. Kristen confirmed that she and Rob were dating in 2012. However, Kristen then went on to cheat on Rob and they are now no longer dating.
Kristen Stewart doesn't sing.
Twilight
No she is not
No, Kristen is now married to Rob and Taylor is in a relationship
the twilight saga
Kristen Stewart
Kristen Stewart, who plays Bella Swan in The Twilight Saga, will have other movies after The Twilight Saga: Eclipse and then will do The Twilight Saga: Breaking Dawn and later The Twilight Saga: Breaking Dawn - Part 2. Kristen will of course move on and do other movies and shows with other people.
Kristen and Rob have dated but they are off and on with each other. At the moment Kristen is trying to make Rob jealous by hanging out with Taylor.
Bella Swan.
The Twilight movies
In the Twilight movies, Kristen Stewart potrays a human girl, Isabella "Bella" Marie Swan.