John Mayer's Beverly Hills area home was burglarized on Friday.
According to TMZ, the house was robbed mid-morning and it was 'ransacked.'
The intruder made off with between $100,000 and $200,000 dollars worth of the 40-year-old musician's personal property.
Item's taken from the home included music equipment and a variety of watches.
The Your Body Is a Wonderland creator is known for having an extensive collection of timepieces, many of which are extremely valuable.
The outlet is reporting that the burglar broke in by smashing a bedroom window.
No one was home when the house was broken into.
A security guard noticed the broken window around noon and called police.
Mayer joins the long list of celebrities who have been robbed this year.
On Tuesday night, Daddy Yankee had $2.3-million worth of jewels stolen from his hotel room in Spain.
And last week, French Montana's Calabasas home was burglarized.
Another musician, rapper Tekashi 6ix9ine, was robbed in Brooklyn just a week earlier.
Big grab: The intruder made off with between $100,000 and $200,000 dollars worth of the 40-year-old musician's personal property
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