Avril Lavigne sparked boob job rumors as she showed off her very busty look in Malibu on Monday.
The singer, 36, showed off her noticeably larger bust as she stepped out wearing a revealing white crop top during a coffee date with a friend.
Leaving little to the imagination, Avril went braless for the occasion.
Avril's bust appears to now be larger in comparison to images taken of the songstress during a trip to Hawaii in 2011.
The singer showed off her petite figure and chest as she stepped out in a black bikini.
Rumors have floated online over the years that Avril may have had a breast augmentation.
And Avril really did not shy away from showing off her cleavage as she stepped out Thursday, looking as happy as can be with her blonde hair cascading down in loose waves.
She wore a large pair of shades over her face and a dazzling chain necklace with jewel pendant.
Avril also worked an over-sized pair of black trousers and a chunky pair of boots.
She was not joined by her new boyfriend, singer Mod Sun, whom previously romanced Bella Thorne.
The It's Complicated singer confirmed on Valentine's Day her relationship with Mod Sun had turned romantic.
She'd worked with the recording artist on his song Flames that was released in January and features on his album Internet Killed the Rockstar.
In late April, the pair released a stripped down visual for the acoustic version of the emotional ballad.
Speaking to People, Lavigne gushed about the song and about her partner in the recording studio.
'He's an incredible artist and producer,' she said of Mod Sun. 'This is the first of many. Proud of what we made with Flames.'
She went on: 'Flames is a very special song, I love how the acoustic version turned out. It really brings another layer of emotion to the song.'
The acoustic visual shows the pair singing with backup singers positioned behind them.
Meanwhile, there's no release date yet for Lavigne's new album although it's expected to drop sometime this summer.