United Kingdom, Feb. 6 -- Justin and Hailey Bieber are happy and focused "on their own lives".

The loved up couple are said to be "doing great as a couple" having the 29-year-old star supported her man last weekend when he performed at the Grammy Awards for the first time in four years.

An insider told PEOPLE magazine: "They were very excited to attend the Grammys together. It was a big deal to them.

"Hailey's always so proud of Justin and incredibly supportive. She'll be at Coachella too. She loves watching him perform.

"They're doing great as a couple. They really just ignore the noise and focus on their own lives."

It's said the pair focus on their work and family, making sure to be "great parents" to their 19-month-old son Jack....