Back in black!: Olivia Newton-John, 68, looks radiant walking through LAX as she arrives from her Ireland and UK tour

She arrived back to her adoptive home of Los Angeles.

And Olivia Newton-John was all smiles as she walked through LAX on Saturday.

The 68-year-old singer and actress arrived back in the City of Angels after touching down from promotional tour of the UK and Ireland, promoting her new album Liv On.

Back home: Olivia Newton-John was all smiles after landing in Los Angeles following her tour of the Ireland and the UKpromoting her new album Liv On

Olivia was beaming as she made her way through the airport with security by her side walking escorting her out.

Best known for her role as Sandy in the hit 1978 romantic-comedy-musical Grease, the musical icon kept her look uniformed dressing in head-to-toe black.

Her makeup look was minimal, natural and youthful with a nude lip and a light peachy blush on her cheeks.

All smiles: Olivia kept her look uniformed dressing in head-to-toe black. The actress and singer was beaming as she made her way through the airport with security by her side walking her out escorting her out

Tour look: Her makeup look was minimal, natural and youthful with a nude lip and a light peachy blush on her cheeks

The Xanadu star wore her trademark shoulder-length blonde locks out - harking back to her days on the set of Rydell High School.

She accessorised with small silver jewelry pieces including a pair of earrings and rings, adding a bit of bling to her travel friendly outfit.

Liv On is a studio collaboration between the Xanadu star and sing-songwriters Amy Sky and Beth Nielsen Chapman. 

The album reflects on the grief of loosing someone and celebrating their life. 

Collaboration: Liv On is a studio collaboration between the Xanadu star and sing-songwriters Amy Sky and Beth Nielsen Chapman

Speaking Holly Willoughby and Phillip Schofield on the UK breakfast show This Morning, Olivia talked about being diagnosed with and beating breast cancer 22 years ago. 

'If it wasn't for the cancer, I wouldn't be doing what I do today, which is working with a hospital and wellbeing.'

'I try to look for positives. Of course I was frightened and scared and I know some people haven't been as lucky as me,' she added. 

Thankful: Her new album reflects on the grief of loosing someone and celebrating their life

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