Katharine McPhee is ‘ready for spring’ in Valentino outfit… five weeks after welcoming son Rennie

Katharine McPhee is ‘ready for spring’ in Valentino outfit… five weeks after welcoming son Rennie

New mother Katharine McPhee Foster was ‘ready for spring’ wearing a white Valentino blouse tucked into a matching pleated skirt, and heels on Tuesday.

It’s only been five weeks since the 37-year-old LA native welcomed her first child – son Rennie David – with her second husband, 16-time Grammy winner David Foster.

Katharine’s designer clothing was selected by stylist Monica Rose, who had set up a room filled with garments and accessories.

‘Spring is near!’ New mother Katharine McPhee Foster was ‘ready for spring’ wearing a white Valentino blouse tucked into a matching pleated skirt, and heels on Tuesday

Mirror selfie: It's only been five weeks since the 37-year-old LA native welcomed her first child - son Rennie David - with her second husband, 16-time Grammy winner David Foster

Mirror selfie: It’s only been five weeks since the 37-year-old LA native welcomed her first child – son Rennie David – with her second husband, 16-time Grammy winner David Foster

McPhee’s post received glowing comments from The Bold and the Beautiful’s Ashley Jones, her Country Comfort co-star Eric Balfour, baker Jenny Keller, and vocal coach Stevie Mackey.

Last Thursday, the American Idol 5 runner-up had the ‘best birthday ever’ gushing that she’s ‘never been this happy.’

For the first time ever, Katharine and the Canadian 71-year-old stepped out with their precious newborn for brunch at the Maybourne Hotel in Beverly Hills.

The May-December duo will next celebrate their second wedding anniversary on June 28 after meeting on the 2005 set of her Fox singing competition where David served mentor duties.

Thigh's the limit! Katharine's designer clothing was selected by stylist Monica Rose (R), who had set up a room filled with garments and accessories

Thigh’s the limit! Katharine’s designer clothing was selected by stylist Monica Rose (R), who had set up a room filled with garments and accessories

'I'm still celebrating my birthday FYI!' Last Thursday, McPhee had the 'best birthday ever' gushing that she's 'never been this happy'

'BEST birthday ever!! Thank you everyone for all the birthday love! I’ve never been so happy!'

‘I’m still celebrating my birthday FYI!’ Last Thursday, McPhee had the ‘best birthday ever’ gushing that she’s ‘never been this happy’

34-year age gap: The American Idol 5 runner-up and the Canadian 71-year-old (pictured in 2019) will next celebrate their second wedding anniversary on June 28 after meeting on the 2005 set of her Fox singing competition where David served mentor duties

34-year age gap: The American Idol 5 runner-up and the Canadian 71-year-old (pictured in 2019) will next celebrate their second wedding anniversary on June 28 after meeting on the 2005 set of her Fox singing competition where David served mentor duties

McPhee is Foster’s fifth wife and little Rennie happens to be his eighth child.

The Smash alum currently plays country crooner-turned-nanny Bailey in the 10-episode sitcom Country Comfort, which started streaming March 19 on Netflix.

Grammy winner LeAnn Rimes – who’s married to Katharine’s castmate Eddie Cibrian – guest-starred as herself and sang with her in the episode titled ‘Blue.’

Started streaming March 19 on Netflix! Katharine (2-R, pictured September 16) currently plays country crooner-turned-nanny Bailey in the 10-episode sitcom Country Comfort

Started streaming March 19 on Netflix! Katharine (2-R, pictured September 16) currently plays country crooner-turned-nanny Bailey in the 10-episode sitcom Country Comfort

It's all who you know! Grammy winner LeAnn Rimes (2-L) - who's married to McPhee's castmate Eddie Cibrian (3-L) - guest-starred as herself and sang with her in the episode titled 'Blue'

It’s all who you know! Grammy winner LeAnn Rimes (2-L) – who’s married to McPhee’s castmate Eddie Cibrian (3-L) – guest-starred as herself and sang with her in the episode titled ‘Blue’